13292172 has 36 divisors (see below), whose sum is σ = 35369880. Its totient is φ = 4197312.

The previous prime is 13292119. The next prime is 13292173. The reversal of 13292172 is 27129231.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (13292173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9033 + ... + 10400.

Almost surely, 2^13292172 is an apocalyptic number.

13292172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13292172 is an abundant number, since it is smaller than the sum of its proper divisors (22077708).

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

13292172 is a wasteful number, since it uses less digits than its factorization.

13292172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19462 (or 19457 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 13292172 is about 3645.8431123678. The cubic root of 13292172 is about 236.8819579877.

The spelling of 13292172 in words is "thirteen million, two hundred ninety-two thousand, one hundred seventy-two".