13239024 has 20 divisors (see below), whose sum is σ = 34200936. Its totient is φ = 4412992.

The previous prime is 13239001. The next prime is 13239043. The reversal of 13239024 is 42093231.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 13238985 and 13239003.

It is a congruent number.

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, 137859 + ... + 137954.

Almost surely, 2^13239024 is an apocalyptic number.

It is an amenable number.

13239024 is an abundant number, since it is smaller than the sum of its proper divisors (20961912).

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

13239024 is a wasteful number, since it uses less digits than its factorization.

13239024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275824 (or 275818 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 13239024 is about 3638.5469627311. The cubic root of 13239024 is about 236.5658165387.

The spelling of 13239024 in words is "thirteen million, two hundred thirty-nine thousand, twenty-four".