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Twelve (12) is a positive integer one more than 10 and one less than 12.

PropertiesEdit

12 is a highly composite number, meaning it has more factors than any lesser number (it has 6 factors). The previous highly composite number is 6, and the next is 24.

12's factorization is 2^2*3.

12 is the number of items in a dozen.

Being highly divisible, 12 shows up frequently, being the number of hours on a typical clock.

12 is the first abundant number, that is, its proper divisors add up to more than itself. The next abundant number is 18.