13157874 has 12 divisors (see below), whose sum is σ = 28508766. Its totient is φ = 4385952.

The previous prime is 13157869. The next prime is 13157887. The reversal of 13157874 is 47875131.

13157874 is a `hidden beast` number, since 13 + 1 + 578 + 74 = 666.

13157874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10284849 + 2873025 = 3207^2 + 1695^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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, 365479 + ... + 365514.

Almost surely, 2^13157874 is an apocalyptic number.

13157874 is an abundant number, since it is smaller than the sum of its proper divisors (15350892).

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

13157874 is a wasteful number, since it uses less digits than its factorization.

13157874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731001 (or 730998 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 13157874 is about 3627.3783921725. The cubic root of 13157874 is about 236.0814738327.

The spelling of 13157874 in words is "thirteen million, one hundred fifty-seven thousand, eight hundred seventy-four".