13266872 has 8 divisors (see below), whose sum is σ = 24875400. Its totient is φ = 6633432.

The previous prime is 13266839. The next prime is 13266889. The reversal of 13266872 is 27866231.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 829172 + ... + 829187.

It is an arithmetic number, because the mean of its divisors is an integer number (3109425).

Almost surely, 2^13266872 is an apocalyptic number.

It is an amenable number.

13266872 is a deficient number, since it is larger than the sum of its proper divisors (11608528).

13266872 is a wasteful number, since it uses less digits than its factorization.

13266872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658365 (or 1658361 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 13266872 is about 3642.3717547774. The cubic root of 13266872 is about 236.7315707285.

The spelling of 13266872 in words is "thirteen million, two hundred sixty-six thousand, eight hundred seventy-two".