12185972 has 24 divisors (see below), whose sum is σ = 22208256. Its totient is φ = 5846048.

The previous prime is 12185959. The next prime is 12185981. The reversal of 12185972 is 27958121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9353 + ... + 10575.

It is an arithmetic number, because the mean of its divisors is an integer number (925344).

Almost surely, 2^12185972 is an apocalyptic number.

It is an amenable number.

12185972 is a deficient number, since it is larger than the sum of its proper divisors (10022284).

12185972 is a wasteful number, since it uses less digits than its factorization.

12185972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327 (or 1325 counting only the distinct ones).

The product of its digits is 10080, while the sum is 35.

The square root of 12185972 is about 3490.8411593769. The cubic root of 12185972 is about 230.1194842314.

The spelling of 12185972 in words is "twelve million, one hundred eighty-five thousand, nine hundred seventy-two".