13910657 has 4 divisors (see below), whose sum is σ = 13918896. Its totient is φ = 13902420.

The previous prime is 13910621. The next prime is 13910681. The reversal of 13910657 is 75601931.

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 13910657 - 2¹⁰ = 13909633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13916657) 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, 563 + ... + 5304.

It is an arithmetic number, because the mean of its divisors is an integer number (3479724).

Almost surely, 2^13910657 is an apocalyptic number.

It is an amenable number.

13910657 is a deficient number, since it is larger than the sum of its proper divisors (8239).

13910657 is an equidigital number, since it uses as much as digits as its factorization.

13910657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8238.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 13910657 is about 3729.6993176394. The cubic root of 13910657 is about 240.5004430298.

The spelling of 13910657 in words is "thirteen million, nine hundred ten thousand, six hundred fifty-seven".