18252912 has 20 divisors (see below), whose sum is σ = 47153480. Its totient is φ = 6084288.

The previous prime is 18252887. The next prime is 18252943. The reversal of 18252912 is 21925281.

It is a self number, because there is not a number n which added to its sum of digits gives 18252912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190087 + ... + 190182.

It is an arithmetic number, because the mean of its divisors is an integer number (2357674).

Almost surely, 2^18252912 is an apocalyptic number.

18252912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18252912 is an abundant number, since it is smaller than the sum of its proper divisors (28900568).

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

18252912 is a wasteful number, since it uses less digits than its factorization.

18252912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380280 (or 380274 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 18252912 is about 4272.3426828849. The cubic root of 18252912 is about 263.2958738932.

The spelling of 18252912 in words is "eighteen million, two hundred fifty-two thousand, nine hundred twelve".