13089724 has 6 divisors (see below), whose sum is σ = 22907024. Its totient is φ = 6544860.

The previous prime is 13089709. The next prime is 13089731. The reversal of 13089724 is 42798031.

It is a self number, because there is not a number n which added to its sum of digits gives 13089724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1636212 + ... + 1636219.

Almost surely, 2^13089724 is an apocalyptic number.

It is an amenable number.

13089724 is a deficient number, since it is larger than the sum of its proper divisors (9817300).

13089724 is a wasteful number, since it uses less digits than its factorization.

13089724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272435 (or 3272433 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 13089724 is about 3617.9723603145. The cubic root of 13089724 is about 235.6731806761.

The spelling of 13089724 in words is "thirteen million, eighty-nine thousand, seven hundred twenty-four".