13072492 has 12 divisors (see below), whose sum is σ = 22902880. Its totient is φ = 6528816.

The previous prime is 13072457. The next prime is 13072517. The reversal of 13072492 is 29427031.

It is a self number, because there is not a number n which added to its sum of digits gives 13072492.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4573 + ... + 6859.

Almost surely, 2^13072492 is an apocalyptic number.

13072492 is the 2287-th heptagonal number.

It is an amenable number.

13072492 is a deficient number, since it is larger than the sum of its proper divisors (9830388).

13072492 is a wasteful number, since it uses less digits than its factorization.

13072492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3720 (or 3718 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 13072492 is about 3615.5901316383. The cubic root of 13072492 is about 235.5697177448.

It can be divided in two parts, 130724 and 92, that added together give a triangular number (130816 = T₅₁₁).

The spelling of 13072492 in words is "thirteen million, seventy-two thousand, four hundred ninety-two".