13769657 has 4 divisors (see below), whose sum is σ = 15021456. Its totient is φ = 12517860.

The previous prime is 13769641. The next prime is 13769671. The reversal of 13769657 is 75696731.

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.

It is a cyclic number.

It is not a de Polignac number, because 13769657 - 2⁴ = 13769641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13769627) 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 3 ways as a sum of consecutive naturals, for example, 625883 + ... + 625904.

It is an arithmetic number, because the mean of its divisors is an integer number (3755364).

Almost surely, 2^13769657 is an apocalyptic number.

It is an amenable number.

13769657 is a deficient number, since it is larger than the sum of its proper divisors (1251799).

13769657 is a wasteful number, since it uses less digits than its factorization.

13769657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251798.

The product of its digits is 238140, while the sum is 44.

The square root of 13769657 is about 3710.7488462573. The cubic root of 13769657 is about 239.6851020574.

The spelling of 13769657 in words is "thirteen million, seven hundred sixty-nine thousand, six hundred fifty-seven".