18803212 has 12 divisors (see below), whose sum is σ = 33671176. Its totient is φ = 9182880.

The previous prime is 18803201. The next prime is 18803219. The reversal of 18803212 is 21230881.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18803219) 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, 54489 + ... + 54832.

Almost surely, 2^18803212 is an apocalyptic number.

It is an amenable number.

18803212 is a deficient number, since it is larger than the sum of its proper divisors (14867964).

18803212 is a wasteful number, since it uses less digits than its factorization.

18803212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109368 (or 109366 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 18803212 is about 4336.2670581965. The cubic root of 18803212 is about 265.9157213169.

The spelling of 18803212 in words is "eighteen million, eight hundred three thousand, two hundred twelve".