18849712 has 30 divisors (see below), whose sum is σ = 42485748. Its totient is φ = 8078112.

The previous prime is 18849707. The next prime is 18849749. The reversal of 18849712 is 21794881.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11238 + ... + 12805.

Almost surely, 2^18849712 is an apocalyptic number.

It is an amenable number.

18849712 is an abundant number, since it is smaller than the sum of its proper divisors (23636036).

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

18849712 is a wasteful number, since it uses less digits than its factorization.

18849712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24065 (or 24052 counting only the distinct ones).

The product of its digits is 32256, while the sum is 40.

The square root of 18849712 is about 4341.6255020441. The cubic root of 18849712 is about 266.1347424456.

The spelling of 18849712 in words is "eighteen million, eight hundred forty-nine thousand, seven hundred twelve".