18010912 has 12 divisors (see below), whose sum is σ = 35459046. Its totient is φ = 9005440.

The previous prime is 18010903. The next prime is 18010913. The reversal of 18010912 is 21901081.

It can be written as a sum of positive squares in only one way, i.e., 17606416 + 404496 = 4196^2 + 636^2 .

It is not an unprimeable number, because it can be changed into a prime (18010913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281389 + ... + 281452.

Almost surely, 2^18010912 is an apocalyptic number.

It is an amenable number.

18010912 is a deficient number, since it is larger than the sum of its proper divisors (17448134).

18010912 is an equidigital number, since it uses as much as digits as its factorization.

18010912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562851 (or 562843 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 18010912 is about 4243.9264838119. The cubic root of 18010912 is about 262.1270871120.

Adding to 18010912 its reverse (21901081), we get a palindrome (39911993).

The spelling of 18010912 in words is "eighteen million, ten thousand, nine hundred twelve".