18326712 has 16 divisors (see below), whose sum is σ = 45816840. Its totient is φ = 6108896.

The previous prime is 18326683. The next prime is 18326717. The reversal of 18326712 is 21762381.

It is a self number, because there is not a number n which added to its sum of digits gives 18326712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18326717) 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, 381783 + ... + 381830.

Almost surely, 2^18326712 is an apocalyptic number.

18326712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18326712 is an abundant number, since it is smaller than the sum of its proper divisors (27490128).

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

18326712 is a wasteful number, since it uses less digits than its factorization.

18326712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763622 (or 763618 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 18326712 is about 4280.9709179110. The cubic root of 18326712 is about 263.6502485102.

The spelling of 18326712 in words is "eighteen million, three hundred twenty-six thousand, seven hundred twelve".