18805124 has 12 divisors (see below), whose sum is σ = 35440524. Its totient is φ = 8679264.

The previous prime is 18805109. The next prime is 18805133. The reversal of 18805124 is 42150881.

It can be written as a sum of positive squares in 2 ways, for example, as 4120900 + 14684224 = 2030^2 + 3832^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180767 + ... + 180870.

It is an arithmetic number, because the mean of its divisors is an integer number (2953377).

Almost surely, 2^18805124 is an apocalyptic number.

It is an amenable number.

18805124 is a deficient number, since it is larger than the sum of its proper divisors (16635400).

18805124 is a wasteful number, since it uses less digits than its factorization.

18805124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361654 (or 361652 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 18805124 is about 4336.4875187183. The cubic root of 18805124 is about 265.9247342030.

The spelling of 18805124 in words is "eighteen million, eight hundred five thousand, one hundred twenty-four".