18379912 has 16 divisors (see below), whose sum is σ = 34948800. Its totient is φ = 9060240.

The previous prime is 18379901. The next prime is 18379913. The reversal of 18379912 is 21997381.

It is not an unprimeable number, because it can be changed into a prime (18379913) 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, 15612 + ... + 16747.

It is an arithmetic number, because the mean of its divisors is an integer number (2184300).

Almost surely, 2^18379912 is an apocalyptic number.

It is an amenable number.

18379912 is a deficient number, since it is larger than the sum of its proper divisors (16568888).

18379912 is a wasteful number, since it uses less digits than its factorization.

18379912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32436 (or 32432 counting only the distinct ones).

The product of its digits is 27216, while the sum is 40.

The square root of 18379912 is about 4287.1799589007. The cubic root of 18379912 is about 263.9051158865.

It can be divided in two parts, 18379 and 912, that added together give a palindrome (19291).

The spelling of 18379912 in words is "eighteen million, three hundred seventy-nine thousand, nine hundred twelve".