12256172 has 12 divisors (see below), whose sum is σ = 21473760. Its totient is φ = 6120816.

The previous prime is 12256151. The next prime is 12256177. The reversal of 12256172 is 27165221.

12256172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12256177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4154 + ... + 6462.

It is an arithmetic number, because the mean of its divisors is an integer number (1789480).

Almost surely, 2^12256172 is an apocalyptic number.

It is an amenable number.

12256172 is a deficient number, since it is larger than the sum of its proper divisors (9217588).

12256172 is a wasteful number, since it uses less digits than its factorization.

12256172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640 (or 3638 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 12256172 is about 3500.8816032537. The cubic root of 12256172 is about 230.5605232222.

The spelling of 12256172 in words is "twelve million, two hundred fifty-six thousand, one hundred seventy-two".