18974512 has 10 divisors (see below), whose sum is σ = 36763148. Its totient is φ = 9487248.

The previous prime is 18974507. The next prime is 18974519. The reversal of 18974512 is 21547981.

It is not an unprimeable number, because it can be changed into a prime (18974519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 592938 + ... + 592969.

Almost surely, 2^18974512 is an apocalyptic number.

It is an amenable number.

18974512 is a deficient number, since it is larger than the sum of its proper divisors (17788636).

18974512 is a wasteful number, since it uses less digits than its factorization.

18974512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185915 (or 1185909 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The square root of 18974512 is about 4355.9742882620. The cubic root of 18974512 is about 266.7207917913.

The spelling of 18974512 in words is "eighteen million, nine hundred seventy-four thousand, five hundred twelve".