13390732 has 6 divisors (see below), whose sum is σ = 23433788. Its totient is φ = 6695364.

The previous prime is 13390709. The next prime is 13390733. The reversal of 13390732 is 23709331.

It is a self number, because there is not a number n which added to its sum of digits gives 13390732.

It is not an unprimeable number, because it can be changed into a prime (13390733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1673838 + ... + 1673845.

Almost surely, 2^13390732 is an apocalyptic number.

It is an amenable number.

13390732 is a deficient number, since it is larger than the sum of its proper divisors (10043056).

13390732 is a wasteful number, since it uses less digits than its factorization.

13390732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347687 (or 3347685 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 13390732 is about 3659.3349122484. The cubic root of 13390732 is about 237.4660014121.

The spelling of 13390732 in words is "thirteen million, three hundred ninety thousand, seven hundred thirty-two".