13366772 has 18 divisors (see below), whose sum is σ = 24456978. Its totient is φ = 6391792.

The previous prime is 13366763. The next prime is 13366781. The reversal of 13366772 is 27766331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13366763) and next prime (13366781).

It can be written as a sum of positive squares in only one way, i.e., 11587216 + 1779556 = 3404^2 + 1334^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1043 + ... + 5274.

It is an arithmetic number, because the mean of its divisors is an integer number (1358721).

Almost surely, 2^13366772 is an apocalyptic number.

It is an amenable number.

13366772 is a deficient number, since it is larger than the sum of its proper divisors (11090206).

13366772 is a wasteful number, since it uses less digits than its factorization.

13366772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6367 (or 6342 counting only the distinct ones).

The product of its digits is 31752, while the sum is 35.

The square root of 13366772 is about 3656.0596275225. The cubic root of 13366772 is about 237.3242844324.

The spelling of 13366772 in words is "thirteen million, three hundred sixty-six thousand, seven hundred seventy-two".