13697677 has 4 divisors (see below), whose sum is σ = 15654496. Its totient is φ = 11740860.

The previous prime is 13697653. The next prime is 13697687. The reversal of 13697677 is 77679631.

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.

It is a cyclic number.

It is not a de Polignac number, because 13697677 - 2¹⁵ = 13664909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13697687) 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, 978399 + ... + 978412.

It is an arithmetic number, because the mean of its divisors is an integer number (3913624).

Almost surely, 2^13697677 is an apocalyptic number.

It is an amenable number.

13697677 is a deficient number, since it is larger than the sum of its proper divisors (1956819).

13697677 is an equidigital number, since it uses as much as digits as its factorization.

13697677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956818.

The product of its digits is 333396, while the sum is 46.

The square root of 13697677 is about 3701.0372870318. The cubic root of 13697677 is about 239.2667260240.

The spelling of 13697677 in words is "thirteen million, six hundred ninety-seven thousand, six hundred seventy-seven".