12885172 has 12 divisors (see below), whose sum is σ = 22886080. Its totient is φ = 6346296.

The previous prime is 12885149. The next prime is 12885203. The reversal of 12885172 is 27158821.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23772 + ... + 24307.

Almost surely, 2^12885172 is an apocalyptic number.

It is an amenable number.

12885172 is a deficient number, since it is larger than the sum of its proper divisors (10000908).

12885172 is a wasteful number, since it uses less digits than its factorization.

12885172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48150 (or 48148 counting only the distinct ones).

The product of its digits is 8960, while the sum is 34.

The square root of 12885172 is about 3589.5921773929. The cubic root of 12885172 is about 234.4391150696.

The spelling of 12885172 in words is "twelve million, eight hundred eighty-five thousand, one hundred seventy-two".