12255172 has 18 divisors (see below), whose sum is σ = 21970158. Its totient is φ = 5981472.

The previous prime is 12255169. The next prime is 12255179. The reversal of 12255172 is 27155221.

It can be written as a sum of positive squares in only one way, i.e., 9585216 + 2669956 = 3096^2 + 1634^2 .

It is not an unprimeable number, because it can be changed into a prime (12255179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6568 + ... + 8224.

Almost surely, 2^12255172 is an apocalyptic number.

It is an amenable number.

12255172 is a deficient number, since it is larger than the sum of its proper divisors (9714986).

12255172 is a wasteful number, since it uses less digits than its factorization.

12255172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747 (or 1702 counting only the distinct ones).

The product of its digits is 1400, while the sum is 25.

The square root of 12255172 is about 3500.7387791722. The cubic root of 12255172 is about 230.5542524552.

The spelling of 12255172 in words is "twelve million, two hundred fifty-five thousand, one hundred seventy-two".