13301657 has 4 divisors (see below), whose sum is σ = 13311696. Its totient is φ = 13291620.

The previous prime is 13301641. The next prime is 13301683. The reversal of 13301657 is 75610331.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 75610331 = 337 ⋅224363.

It is a cyclic number.

It is not a de Polignac number, because 13301657 - 2⁴ = 13301641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13301627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2663 + ... + 5804.

It is an arithmetic number, because the mean of its divisors is an integer number (3327924).

Almost surely, 2^13301657 is an apocalyptic number.

It is an amenable number.

13301657 is a deficient number, since it is larger than the sum of its proper divisors (10039).

13301657 is an equidigital number, since it uses as much as digits as its factorization.

13301657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10038.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 13301657 is about 3647.1436769066. The cubic root of 13301657 is about 236.9382891665.

Adding to 13301657 its reverse (75610331), we get a palindrome (88911988).

The spelling of 13301657 in words is "thirteen million, three hundred one thousand, six hundred fifty-seven".