13579972 has 12 divisors (see below), whose sum is σ = 27160000. Its totient is φ = 5819976.

The previous prime is 13579967. The next prime is 13579997. The reversal of 13579972 is 27997531.

13579972 is an admirable number.

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, 242472 + ... + 242527.

Almost surely, 2^13579972 is an apocalyptic number.

It is an amenable number.

13579972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13579972 is a wasteful number, since it uses less digits than its factorization.

13579972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485010 (or 485008 counting only the distinct ones).

The product of its digits is 119070, while the sum is 43.

The square root of 13579972 is about 3685.1013554582. The cubic root of 13579972 is about 238.5794088532.

The spelling of 13579972 in words is "thirteen million, five hundred seventy-nine thousand, nine hundred seventy-two".