18059312 has 20 divisors (see below), whose sum is σ = 35805000. Its totient is φ = 8819328.

The previous prime is 18059303. The next prime is 18059317. The reversal of 18059312 is 21395081.

It is a super-2 number, since 2×18059312² = 652277499826688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18059317) 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, 12437 + ... + 13812.

It is an arithmetic number, because the mean of its divisors is an integer number (1790250).

Almost surely, 2^18059312 is an apocalyptic number.

It is an amenable number.

18059312 is a deficient number, since it is larger than the sum of its proper divisors (17745688).

18059312 is a wasteful number, since it uses less digits than its factorization.

18059312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26300 (or 26294 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 18059312 is about 4249.6249246257. The cubic root of 18059312 is about 262.3616782972.

The spelling of 18059312 in words is "eighteen million, fifty-nine thousand, three hundred twelve".