13697927 has 4 divisors (see below), whose sum is σ = 13747656. Its totient is φ = 13648200.

The previous prime is 13697911. The next prime is 13697933. The reversal of 13697927 is 72979631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13697927 - 2⁴ = 13697911 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 (13697987) 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, 24449 + ... + 25002.

It is an arithmetic number, because the mean of its divisors is an integer number (3436914).

Almost surely, 2^13697927 is an apocalyptic number.

13697927 is a deficient number, since it is larger than the sum of its proper divisors (49729).

13697927 is an equidigital number, since it uses as much as digits as its factorization.

13697927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49728.

The product of its digits is 142884, while the sum is 44.

The square root of 13697927 is about 3701.0710611930. The cubic root of 13697927 is about 239.2681816557.

The spelling of 13697927 in words is "thirteen million, six hundred ninety-seven thousand, nine hundred twenty-seven".