13312357 has 4 divisors (see below), whose sum is σ = 13320736. Its totient is φ = 13303980.

The previous prime is 13312349. The next prime is 13312379. The reversal of 13312357 is 75321331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13312357 - 2³ = 13312349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993 + ... + 5254.

It is an arithmetic number, because the mean of its divisors is an integer number (3330184).

Almost surely, 2^13312357 is an apocalyptic number.

It is an amenable number.

13312357 is a deficient number, since it is larger than the sum of its proper divisors (8379).

13312357 is an equidigital number, since it uses as much as digits as its factorization.

13312357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8378.

The product of its digits is 1890, while the sum is 25.

The square root of 13312357 is about 3648.6102833819. The cubic root of 13312357 is about 237.0018040656.

Adding to 13312357 its reverse (75321331), we get a palindrome (88633688).

The spelling of 13312357 in words is "thirteen million, three hundred twelve thousand, three hundred fifty-seven".