12720932 has 24 divisors (see below), whose sum is σ = 26549376. Its totient is φ = 5214528.

The previous prime is 12720889. The next prime is 12720941. The reversal of 12720932 is 23902721.

It is a super-2 number, since 2×12720932² = 323644221897248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9233 + ... + 10520.

It is an arithmetic number, because the mean of its divisors is an integer number (1106224).

Almost surely, 2^12720932 is an apocalyptic number.

It is an amenable number.

12720932 is an abundant number, since it is smaller than the sum of its proper divisors (13828444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12720932 is a wasteful number, since it uses less digits than its factorization.

12720932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19787 (or 19785 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 12720932 is about 3566.6415575440. The cubic root of 12720932 is about 233.4387650519.

The spelling of 12720932 in words is "twelve million, seven hundred twenty thousand, nine hundred thirty-two".