12939524 has 48 divisors (see below), whose sum is σ = 26342400. Its totient is φ = 5512320.

The previous prime is 12939491. The next prime is 12939541. The reversal of 12939524 is 42593921.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36902 + ... + 37250.

It is an arithmetic number, because the mean of its divisors is an integer number (548800).

Almost surely, 2^12939524 is an apocalyptic number.

It is an amenable number.

12939524 is an abundant number, since it is smaller than the sum of its proper divisors (13402876).

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

12939524 is a wasteful number, since it uses less digits than its factorization.

12939524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 418 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 12939524 is about 3597.1549869306. The cubic root of 12939524 is about 234.7682882799.

The spelling of 12939524 in words is "twelve million, nine hundred thirty-nine thousand, five hundred twenty-four".