13117188 has 24 divisors (see below), whose sum is σ = 34979392. Its totient is φ = 3747744.

The previous prime is 13117177. The next prime is 13117207. The reversal of 13117188 is 88171131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77995 + ... + 78162.

Almost surely, 2^13117188 is an apocalyptic number.

It is an amenable number.

13117188 is an abundant number, since it is smaller than the sum of its proper divisors (21862204).

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

13117188 is a wasteful number, since it uses less digits than its factorization.

13117188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156171 (or 156169 counting only the distinct ones).

The product of its digits is 1344, while the sum is 30.

The square root of 13117188 is about 3621.7658676397. The cubic root of 13117188 is about 235.8378902034.

The spelling of 13117188 in words is "thirteen million, one hundred seventeen thousand, one hundred eighty-eight".