Twelve
12 is an even number.
12 is a Harshad number, which means it is divisible by the sum of its digits (1 + 2 = 3, and 12 is divisible by 3).
In binary, 12 is represented as 1100.
In hex, 12 is represented as c.
Prime factorization of 12: 22 * 3.
Factors of 12 are: 1, 2, 3, 3, 4, 6, 12.