13104747 has 24 divisors (see below), whose sum is σ = 19801600. Its totient is φ = 8660520.

The previous prime is 13104719. The next prime is 13104761. The reversal of 13104747 is 74740131.

It is not a de Polignac number, because 13104747 - 2¹² = 13100651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13104747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48222 + ... + 48492.

Almost surely, 2^13104747 is an apocalyptic number.

13104747 is a deficient number, since it is larger than the sum of its proper divisors (6696853).

13104747 is an equidigital number, since it uses as much as digits as its factorization.

13104747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 13104747 is about 3620.0479278595. The cubic root of 13104747 is about 235.7633064516.

Adding to 13104747 its reverse (74740131), we get a palindrome (87844878).

The spelling of 13104747 in words is "thirteen million, one hundred four thousand, seven hundred forty-seven".