13286872 has 16 divisors (see below), whose sum is σ = 25772400. Its totient is φ = 6414240.

The previous prime is 13286863. The next prime is 13286891. The reversal of 13286872 is 27868231.

It is a congruent number.

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, 28404 + ... + 28867.

It is an arithmetic number, because the mean of its divisors is an integer number (1610775).

Almost surely, 2^13286872 is an apocalyptic number.

It is an amenable number.

13286872 is a deficient number, since it is larger than the sum of its proper divisors (12485528).

13286872 is a wasteful number, since it uses less digits than its factorization.

13286872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57306 (or 57302 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 13286872 is about 3645.1161847052. The cubic root of 13286872 is about 236.8504697483.

The spelling of 13286872 in words is "thirteen million, two hundred eighty-six thousand, eight hundred seventy-two".