13271972 has 12 divisors (see below), whose sum is σ = 26544000. Its totient is φ = 5687976.

The previous prime is 13271969. The next prime is 13271981. The reversal of 13271972 is 27917231.

13271972 is an admirable number.

It is a super-2 number, since 2×13271972² = 352290481537568, which contains 22 as substring.

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, 236972 + ... + 237027.

It is an arithmetic number, because the mean of its divisors is an integer number (2212000).

Almost surely, 2^13271972 is an apocalyptic number.

It is an amenable number.

13271972 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.

13271972 is a wasteful number, since it uses less digits than its factorization.

13271972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474010 (or 474008 counting only the distinct ones).

The product of its digits is 5292, while the sum is 32.

The square root of 13271972 is about 3643.0717807916. The cubic root of 13271972 is about 236.7619013229.

The spelling of 13271972 in words is "thirteen million, two hundred seventy-one thousand, nine hundred seventy-two".