13313265 has 32 divisors (see below), whose sum is σ = 24600576. Its totient is φ = 6022080.

The previous prime is 13313263. The next prime is 13313269. The reversal of 13313265 is 56231331.

It is a happy number.

13313265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13313265 - 2¹ = 13313263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13313263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10200 + ... + 11430.

It is an arithmetic number, because the mean of its divisors is an integer number (768768).

Almost surely, 2^13313265 is an apocalyptic number.

13313265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13313265 is a deficient number, since it is larger than the sum of its proper divisors (11287311).

13313265 is a wasteful number, since it uses less digits than its factorization.

13313265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349.

The product of its digits is 1620, while the sum is 24.

The square root of 13313265 is about 3648.7347121982. The cubic root of 13313265 is about 237.0071923613.

Adding to 13313265 its reverse (56231331), we get a palindrome (69544596).

It can be divided in two parts, 1331326 and 5, that added together give a palindrome (1331331).

The spelling of 13313265 in words is "thirteen million, three hundred thirteen thousand, two hundred sixty-five".