13689699 has 8 divisors (see below), whose sum is σ = 18270480. Its totient is φ = 9117696.

The previous prime is 13689691. The next prime is 13689701. The reversal of 13689699 is 99698631.

13689699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13689699 - 2³ = 13689691 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13689691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3747 + ... + 6435.

It is an arithmetic number, because the mean of its divisors is an integer number (2283810).

Almost surely, 2^13689699 is an apocalyptic number.

13689699 is a deficient number, since it is larger than the sum of its proper divisors (4580781).

13689699 is a wasteful number, since it uses less digits than its factorization.

13689699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389.

The product of its digits is 629856, while the sum is 51.

The square root of 13689699 is about 3699.9593241007. The cubic root of 13689699 is about 239.2202646020.

The spelling of 13689699 in words is "thirteen million, six hundred eighty-nine thousand, six hundred ninety-nine".