13158313 has 6 divisors (see below), whose sum is σ = 15306666. Its totient is φ = 11278512.

The previous prime is 13158307. The next prime is 13158349. The reversal of 13158313 is 31385131.

13158313 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 only one way, i.e., 8479744 + 4678569 = 2912^2 + 2163^2 .

It is not a de Polignac number, because 13158313 - 2⁵ = 13158281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13158113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134220 + ... + 134317.

It is an arithmetic number, because the mean of its divisors is an integer number (2551111).

Almost surely, 2^13158313 is an apocalyptic number.

It is an amenable number.

13158313 is a deficient number, since it is larger than the sum of its proper divisors (2148353).

13158313 is an equidigital number, since it uses as much as digits as its factorization.

13158313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268551 (or 268544 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 13158313 is about 3627.4389036895. The cubic root of 13158313 is about 236.0840993484.

It can be divided in two parts, 1315831 and 3, that multiplied together give a palindrome (3947493).

The spelling of 13158313 in words is "thirteen million, one hundred fifty-eight thousand, three hundred thirteen".