13806699 has 4 divisors (see below), whose sum is σ = 18408936. Its totient is φ = 9204464.

The previous prime is 13806691. The next prime is 13806713. The reversal of 13806699 is 99660831.

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 13806699 - 2³ = 13806691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13806699.

It is not an unprimeable number, because it can be changed into a prime (13806691) 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, 2301114 + ... + 2301119.

It is an arithmetic number, because the mean of its divisors is an integer number (4602234).

Almost surely, 2^13806699 is an apocalyptic number.

13806699 is a deficient number, since it is larger than the sum of its proper divisors (4602237).

13806699 is an equidigital number, since it uses as much as digits as its factorization.

13806699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602236.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 13806699 is about 3715.7366698947. The cubic root of 13806699 is about 239.8998366752.

The spelling of 13806699 in words is "thirteen million, eight hundred six thousand, six hundred ninety-nine".