18360912 has 20 divisors (see below), whose sum is σ = 47432480. Its totient is φ = 6120288.

The previous prime is 18360911. The next prime is 18360913. The reversal of 18360912 is 21906381.

It is an interprime number because it is at equal distance from previous prime (18360911) and next prime (18360913).

It is a self number, because there is not a number n which added to its sum of digits gives 18360912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18360911) 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, 191212 + ... + 191307.

It is an arithmetic number, because the mean of its divisors is an integer number (2371624).

Almost surely, 2^18360912 is an apocalyptic number.

18360912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18360912 is an abundant number, since it is smaller than the sum of its proper divisors (29071568).

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

18360912 is a wasteful number, since it uses less digits than its factorization.

18360912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382530 (or 382524 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 18360912 is about 4284.9634770906. The cubic root of 18360912 is about 263.8141483494.

The spelling of 18360912 in words is "eighteen million, three hundred sixty thousand, nine hundred twelve".