18084012 has 24 divisors (see below), whose sum is σ = 42436800. Its totient is φ = 5993616.

The previous prime is 18083987. The next prime is 18084013. The reversal of 18084012 is 21048081.

It is a super-2 number, since 2×18084012² = 654062980032288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18084013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2062 + ... + 6357.

It is an arithmetic number, because the mean of its divisors is an integer number (1768200).

Almost surely, 2^18084012 is an apocalyptic number.

18084012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18084012 is an abundant number, since it is smaller than the sum of its proper divisors (24352788).

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

18084012 is a wasteful number, since it uses less digits than its factorization.

18084012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8605 (or 8603 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 18084012 is about 4252.5300704404. The cubic root of 18084012 is about 262.4812358469.

The spelling of 18084012 in words is "eighteen million, eighty-four thousand, twelve".