12056172 has 24 divisors (see below), whose sum is σ = 28202496. Its totient is φ = 4008528.

The previous prime is 12056171. The next prime is 12056201. The reversal of 12056172 is 27165021.

It is not an unprimeable number, because it can be changed into a prime (12056171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4813 + ... + 6875.

It is an arithmetic number, because the mean of its divisors is an integer number (1175104).

Almost surely, 2^12056172 is an apocalyptic number.

12056172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12056172 is an abundant number, since it is smaller than the sum of its proper divisors (16146324).

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

12056172 is a wasteful number, since it uses less digits than its factorization.

12056172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557 (or 2555 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 12056172 is about 3472.1998790392. The cubic root of 12056172 is about 229.2995197202.

The spelling of 12056172 in words is "twelve million, fifty-six thousand, one hundred seventy-two".