13004564 has 12 divisors (see below), whose sum is σ = 22816500. Its totient is φ = 6485568.

The previous prime is 13004543. The next prime is 13004587. The reversal of 13004564 is 46540031.

It is a happy number.

13004564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9424900 + 3579664 = 3070^2 + 1892^2 .

It is a congruent number.

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, 2339 + ... + 5610.

It is an arithmetic number, because the mean of its divisors is an integer number (1901375).

Almost surely, 2^13004564 is an apocalyptic number.

It is an amenable number.

13004564 is a deficient number, since it is larger than the sum of its proper divisors (9811936).

13004564 is a wasteful number, since it uses less digits than its factorization.

13004564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8362 (or 8360 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 13004564 is about 3606.1841328474. The cubic root of 13004564 is about 235.1609821975.

Adding to 13004564 its reverse (46540031), we get a palindrome (59544595).

The spelling of 13004564 in words is "thirteen million, four thousand, five hundred sixty-four".