



Number 12

twelve

Properties of the number 12

Factorization 

2 * 2 * 3

Divisors 
1, 2, 3, 4, 6, 12

Count of divisors 
6

Sum of divisors 
28

Previous integer 
11 
Next integer 
13 
Is prime? 
NO

Previous prime 
11

Next prime 
13

12th prime 
37

Is a Fibonacci number? 
NO

Is a Bell number? 
NO

Is a Catalan number? 
NO

Is a factorial? 
NO

Is a regular number? 
YES

Is a perfect number? 
NO

Polygonal number (s < 11)? 
pentagonal(3) 
Binary 
1100 
Octal 
14 
Duodecimal 
10 
Hexadecimal 
c 
Square 
144 
Square root 
3.4641016151378 
Natural logarithm 
2.484906649788 
Decimal logarithm 
1.0791812460476 
Sine 
0.53657291800043 
Cosine 
0.84385395873249 
Tangent 
0.63585992866158 

Number 12 is pronounced twelve.
Number 12 is a composite number.
Factors of 12 are 2 * 2 * 3.
Number 12 has 6 divisors: 1, 2, 3, 4, 6, 12.
Sum of the divisors is 28.
Number 12 is not a Fibonacci number.
It is not a Bell number.
Number 12 is not a Catalan number.
Number 12 is a regular number (Hamming number).
It is a not factorial of any number.
Number 12 is an abundant number and therefore is not a perfect number.
Number 12 is a pentagonal number with n=3.
Binary numeral for number 12 is 1100.
Octal numeral is 14.
Duodecimal value is 10.
Hexadecimal representation is c.
Square of the number 12 is 144.
Square root of the number 12 is 3.4641016151378.
Natural logarithm of 12 is 2.484906649788
Decimal logarithm of the number 12 is 1.0791812460476
Sine of 12 is 0.53657291800043. Cosine of the number 12 is 0.84385395873249. Tangent of the number 12 is 0.63585992866158



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