18713104 has 20 divisors (see below), whose sum is σ = 36525564. Its totient is φ = 9287168.

The previous prime is 18713027. The next prime is 18713113. The reversal of 18713104 is 40131781.

It can be written as a sum of positive squares in 2 ways, for example, as 14047504 + 4665600 = 3748^2 + 2160^2 .

It is a super-2 number, since 2×18713104² = 700360522629632, which contains 22 as substring.

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, 2077 + ... + 6460.

Almost surely, 2^18713104 is an apocalyptic number.

It is an amenable number.

18713104 is a deficient number, since it is larger than the sum of its proper divisors (17812460).

18713104 is a wasteful number, since it uses less digits than its factorization.

18713104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8682 (or 8676 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 18713104 is about 4325.8645378699. The cubic root of 18713104 is about 265.4902707566.

Adding to 18713104 its reverse (40131781), we get a palindrome (58844885).

The spelling of 18713104 in words is "eighteen million, seven hundred thirteen thousand, one hundred four".