13332172 has 24 divisors (see below), whose sum is σ = 26810784. Its totient is φ = 5682432.

The previous prime is 13332169. The next prime is 13332181. The reversal of 13332172 is 27123331.

13332172 = 194² + 195² + ... + 361².

It is a happy number.

It is a congruent 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, 4308 + ... + 6724.

It is an arithmetic number, because the mean of its divisors is an integer number (1117116).

Almost surely, 2^13332172 is an apocalyptic number.

It is an amenable number.

13332172 is an abundant number, since it is smaller than the sum of its proper divisors (13478612).

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

13332172 is a wasteful number, since it uses less digits than its factorization.

13332172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625 (or 2623 counting only the distinct ones).

The product of its digits is 756, while the sum is 22.

The square root of 13332172 is about 3651.3246911224. The cubic root of 13332172 is about 237.1193355348.

The spelling of 13332172 in words is "thirteen million, three hundred thirty-two thousand, one hundred seventy-two".