13117874 has 32 divisors (see below), whose sum is σ = 24800256. Its totient is φ = 5055120.

The previous prime is 13117873. The next prime is 13117891. The reversal of 13117874 is 47871131.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 13117874.

It is not an unprimeable number, because it can be changed into a prime (13117873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15449 + ... + 16275.

It is an arithmetic number, because the mean of its divisors is an integer number (775008).

Almost surely, 2^13117874 is an apocalyptic number.

13117874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13117874 is a deficient number, since it is larger than the sum of its proper divisors (11682382).

13117874 is a wasteful number, since it uses less digits than its factorization.

13117874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950.

The product of its digits is 4704, while the sum is 32.

The square root of 13117874 is about 3621.8605715847. The cubic root of 13117874 is about 235.8420013989.

The spelling of 13117874 in words is "thirteen million, one hundred seventeen thousand, eight hundred seventy-four".