12085172 has 24 divisors (see below), whose sum is σ = 23167200. Its totient is φ = 5470560.

The previous prime is 12085169. The next prime is 12085207. The reversal of 12085172 is 27158021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14963 + ... + 15749.

It is an arithmetic number, because the mean of its divisors is an integer number (965300).

Almost surely, 2^12085172 is an apocalyptic number.

It is an amenable number.

12085172 is a deficient number, since it is larger than the sum of its proper divisors (11082028).

12085172 is a wasteful number, since it uses less digits than its factorization.

12085172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151 (or 1149 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 12085172 is about 3476.3733976660. The cubic root of 12085172 is about 229.4832253899.

The spelling of 12085172 in words is "twelve million, eighty-five thousand, one hundred seventy-two".