13312553 has 2 divisors, whose sum is σ = 13312554. Its totient is φ = 13312552.

The previous prime is 13312529. The next prime is 13312589. The reversal of 13312553 is 35521331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10778089 + 2534464 = 3283^2 + 1592^2 .

It is a cyclic number.

It is not a de Polignac number, because 13312553 - 2¹⁴ = 13296169 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13312253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656276 + 6656277.

It is an arithmetic number, because the mean of its divisors is an integer number (6656277).

Almost surely, 2^13312553 is an apocalyptic number.

It is an amenable number.

13312553 is a deficient number, since it is larger than the sum of its proper divisors (1).

13312553 is an equidigital number, since it uses as much as digits as its factorization.

13312553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 23.

The square root of 13312553 is about 3648.6371428247. The cubic root of 13312553 is about 237.0029671986.

Adding to 13312553 its reverse (35521331), we get a palindrome (48833884).

The spelling of 13312553 in words is "thirteen million, three hundred twelve thousand, five hundred fifty-three".