104504013 has 10 divisors (see below), whose sum is σ = 156111054. Its totient is φ = 69669288.

The previous prime is 104504003. The next prime is 104504033. The reversal of 104504013 is 310405401.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 69006249 + 35497764 = 8307^2 + 5958^2 .

It is not a de Polignac number, because 104504013 - 2¹⁷ = 104372941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104504003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 645006 + ... + 645167.

Almost surely, 2^104504013 is an apocalyptic number.

It is an amenable number.

104504013 is a deficient number, since it is larger than the sum of its proper divisors (51607041).

104504013 is an equidigital number, since it uses as much as digits as its factorization.

104504013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290185 (or 1290176 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 104504013 is about 10222.7204304921. The cubic root of 104504013 is about 471.0253951985.

Adding to 104504013 its reverse (310405401), we get a palindrome (414909414).

The spelling of 104504013 in words is "one hundred four million, five hundred four thousand, thirteen".