13239372 has 12 divisors (see below), whose sum is σ = 30891896. Its totient is φ = 4413120.

The previous prime is 13239361. The next prime is 13239389. The reversal of 13239372 is 27393231.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551629 + ... + 551652.

Almost surely, 2^13239372 is an apocalyptic number.

13239372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13239372 is an abundant number, since it is smaller than the sum of its proper divisors (17652524).

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

13239372 is a wasteful number, since it uses less digits than its factorization.

13239372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103288 (or 1103286 counting only the distinct ones).

The product of its digits is 6804, while the sum is 30.

The square root of 13239372 is about 3638.5947837043. The cubic root of 13239372 is about 236.5678893044.

The spelling of 13239372 in words is "thirteen million, two hundred thirty-nine thousand, three hundred seventy-two".