13173904 has 20 divisors (see below), whose sum is σ = 25671100. Its totient is φ = 6549120.

The previous prime is 13173899. The next prime is 13173907. The reversal of 13173904 is 40937131.

It can be written as a sum of positive squares in 2 ways, for example, as 3810304 + 9363600 = 1952^2 + 3060^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13173907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622 + ... + 5170.

It is an arithmetic number, because the mean of its divisors is an integer number (1283555).

Almost surely, 2^13173904 is an apocalyptic number.

It is an amenable number.

13173904 is a deficient number, since it is larger than the sum of its proper divisors (12497196).

13173904 is a wasteful number, since it uses less digits than its factorization.

13173904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4738 (or 4732 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 13173904 is about 3629.5873043640. The cubic root of 13173904 is about 236.1773061901.

The spelling of 13173904 in words is "thirteen million, one hundred seventy-three thousand, nine hundred four".