13180172 has 12 divisors (see below), whose sum is σ = 23242296. Its totient is φ = 6539520.

The previous prime is 13180169. The next prime is 13180183. The reversal of 13180172 is 27108131.

It is a happy number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12053 + ... + 13100.

It is an arithmetic number, because the mean of its divisors is an integer number (1936858).

Almost surely, 2^13180172 is an apocalyptic number.

It is an amenable number.

13180172 is a deficient number, since it is larger than the sum of its proper divisors (10062124).

13180172 is a wasteful number, since it uses less digits than its factorization.

13180172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25288 (or 25286 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 13180172 is about 3630.4506607307. The cubic root of 13180172 is about 236.2147571142.

The spelling of 13180172 in words is "thirteen million, one hundred eighty thousand, one hundred seventy-two".