18299712 has 28 divisors (see below), whose sum is σ = 48418496. Its totient is φ = 6099840.

The previous prime is 18299689. The next prime is 18299731. The reversal of 18299712 is 21799281.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47464 + ... + 47847.

It is an arithmetic number, because the mean of its divisors is an integer number (1729232).

Almost surely, 2^18299712 is an apocalyptic number.

18299712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18299712 is an abundant number, since it is smaller than the sum of its proper divisors (30118784).

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

18299712 is an equidigital number, since it uses as much as digits as its factorization.

18299712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95326 (or 95316 counting only the distinct ones).

The product of its digits is 18144, while the sum is 39.

The square root of 18299712 is about 4277.8162653391. The cubic root of 18299712 is about 263.5207098092.

The spelling of 18299712 in words is "eighteen million, two hundred ninety-nine thousand, seven hundred twelve".