13319957 has 8 divisors (see below), whose sum is σ = 15594432. Its totient is φ = 11138400.

The previous prime is 13319951. The next prime is 13319989. The reversal of 13319957 is 75991331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13319957 - 2¹⁴ = 13303573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13319957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13319951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22919 + ... + 23492.

It is an arithmetic number, because the mean of its divisors is an integer number (1949304).

Almost surely, 2^13319957 is an apocalyptic number.

It is an amenable number.

13319957 is a deficient number, since it is larger than the sum of its proper divisors (2274475).

13319957 is an equidigital number, since it uses as much as digits as its factorization.

13319957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46459.

The product of its digits is 25515, while the sum is 38.

The square root of 13319957 is about 3649.6516272105. The cubic root of 13319957 is about 237.0468967829.

The spelling of 13319957 in words is "thirteen million, three hundred nineteen thousand, nine hundred fifty-seven".