13115264 has 32 divisors (see below), whose sum is σ = 26479200. Its totient is φ = 6469632.

The previous prime is 13115261. The next prime is 13115281. The reversal of 13115264 is 46251131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13115261) 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, 9464 + ... + 10760.

It is an arithmetic number, because the mean of its divisors is an integer number (827475).

Almost surely, 2^13115264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13115264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13239600).

13115264 is an abundant number, since it is smaller than the sum of its proper divisors (13363936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13115264 is an equidigital number, since it uses as much as digits as its factorization.

13115264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390 (or 1378 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 13115264 is about 3621.5002416126. The cubic root of 13115264 is about 235.8263589137.

Adding to 13115264 its reverse (46251131), we get a palindrome (59366395).

The spelling of 13115264 in words is "thirteen million, one hundred fifteen thousand, two hundred sixty-four".