13806697 has 6 divisors (see below), whose sum is σ = 14300078. Its totient is φ = 13329792.

The previous prime is 13806691. The next prime is 13806713. The reversal of 13806697 is 79660831.

13806697 is nontrivially palindromic in base 7.

13806697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1104601 + 12702096 = 1051^2 + 3564^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13806697 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 (13806691) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7368 + ... + 9049.

Almost surely, 2^13806697 is an apocalyptic number.

It is an amenable number.

13806697 is a deficient number, since it is larger than the sum of its proper divisors (493381).

13806697 is an equidigital number, since it uses as much as digits as its factorization.

13806697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16475 (or 16446 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 13806697 is about 3715.7364007690. The cubic root of 13806697 is about 239.8998250914.

The spelling of 13806697 in words is "thirteen million, eight hundred six thousand, six hundred ninety-seven".