18375612 has 24 divisors (see below), whose sum is σ = 43295616. Its totient is φ = 6065328.

The previous prime is 18375607. The next prime is 18375629. The reversal of 18375612 is 21657381.

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, 6198 + ... + 8669.

It is an arithmetic number, because the mean of its divisors is an integer number (1803984).

Almost surely, 2^18375612 is an apocalyptic number.

18375612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18375612 is an abundant number, since it is smaller than the sum of its proper divisors (24920004).

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

18375612 is a wasteful number, since it uses less digits than its factorization.

18375612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14977 (or 14975 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 18375612 is about 4286.6784344058. The cubic root of 18375612 is about 263.8845339870.

The spelling of 18375612 in words is "eighteen million, three hundred seventy-five thousand, six hundred twelve".