13152313 has 6 divisors (see below), whose sum is σ = 13881354. Its totient is φ = 12459744.

The previous prime is 13152299. The next prime is 13152323. The reversal of 13152313 is 31325131.

It can be written as a sum of positive squares in only one way, i.e., 12759184 + 393129 = 3572^2 + 627^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13152313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13152323) 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, 17856 + ... + 18577.

It is an arithmetic number, because the mean of its divisors is an integer number (2313559).

Almost surely, 2^13152313 is an apocalyptic number.

It is an amenable number.

13152313 is a deficient number, since it is larger than the sum of its proper divisors (729041).

13152313 is an equidigital number, since it uses as much as digits as its factorization.

13152313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36471 (or 36452 counting only the distinct ones).

The product of its digits is 270, while the sum is 19.

The square root of 13152313 is about 3626.6117796092. The cubic root of 13152313 is about 236.0482102505.

Adding to 13152313 its reverse (31325131), we get a palindrome (44477444).

The spelling of 13152313 in words is "thirteen million, one hundred fifty-two thousand, three hundred thirteen".