13349657 has 8 divisors (see below), whose sum is σ = 13987200. Its totient is φ = 12723984.

The previous prime is 13349653. The next prime is 13349659. The reversal of 13349657 is 75694331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13349657 - 2² = 13349653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13349657.

It is not an unprimeable number, because it can be changed into a prime (13349653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623 + ... + 5204.

It is an arithmetic number, because the mean of its divisors is an integer number (1748400).

Almost surely, 2^13349657 is an apocalyptic number.

It is an amenable number.

13349657 is a deficient number, since it is larger than the sum of its proper divisors (637543).

13349657 is an equidigital number, since it uses as much as digits as its factorization.

13349657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935.

The product of its digits is 68040, while the sum is 38.

The square root of 13349657 is about 3653.7182431052. The cubic root of 13349657 is about 237.2229500699. Note that the first 3 decimals are identical.

The spelling of 13349657 in words is "thirteen million, three hundred forty-nine thousand, six hundred fifty-seven".