12185994 has 8 divisors (see below), whose sum is σ = 24372000. Its totient is φ = 4061996.

The previous prime is 12185981. The next prime is 12186001. The reversal of 12185994 is 49958121.

It is a sphenic number, since it is the product of 3 distinct primes.

12185994 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 1015494 + ... + 1015505.

It is an arithmetic number, because the mean of its divisors is an integer number (3046500).

Almost surely, 2^12185994 is an apocalyptic number.

12185994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12185994 is a wasteful number, since it uses less digits than its factorization.

12185994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031004.

The product of its digits is 25920, while the sum is 39.

The square root of 12185994 is about 3490.8443104785. The cubic root of 12185994 is about 230.1196227137.

The spelling of 12185994 in words is "twelve million, one hundred eighty-five thousand, nine hundred ninety-four".