13104831 has 4 divisors (see below), whose sum is σ = 17473112. Its totient is φ = 8736552.

The previous prime is 13104829. The next prime is 13104853. The reversal of 13104831 is 13840131.

13104831 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13104831 - 2¹ = 13104829 is a prime.

It is a super-2 number, since 2×13104831² = 343473191077122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13104798 and 13104807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2184136 + ... + 2184141.

It is an arithmetic number, because the mean of its divisors is an integer number (4368278).

Almost surely, 2^13104831 is an apocalyptic number.

13104831 is a deficient number, since it is larger than the sum of its proper divisors (4368281).

13104831 is an equidigital number, since it uses as much as digits as its factorization.

13104831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4368280.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 13104831 is about 3620.0595298973. The cubic root of 13104831 is about 235.7638101896.

Adding to 13104831 its reverse (13840131), we get a palindrome (26944962).

The spelling of 13104831 in words is "thirteen million, one hundred four thousand, eight hundred thirty-one".