18046212 has 48 divisors (see below), whose sum is σ = 43545600. Its totient is φ = 5813920.

The previous prime is 18046211. The next prime is 18046229. The reversal of 18046212 is 21264081.

It is not an unprimeable number, because it can be changed into a prime (18046211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50089 + ... + 50447.

It is an arithmetic number, because the mean of its divisors is an integer number (907200).

Almost surely, 2^18046212 is an apocalyptic number.

18046212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18046212 is an abundant number, since it is smaller than the sum of its proper divisors (25499388).

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

18046212 is a wasteful number, since it uses less digits than its factorization.

18046212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 18046212 is about 4248.0833325160. The cubic root of 18046212 is about 262.2982249874.

The spelling of 18046212 in words is "eighteen million, forty-six thousand, two hundred twelve".