13679699 has 4 divisors (see below), whose sum is σ = 14923320. Its totient is φ = 12436080.

The previous prime is 13679693. The next prime is 13679707. The reversal of 13679699 is 99697631.

13679699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99697631 = 11 ⋅9063421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13679699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13679693) 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, 621794 + ... + 621815.

It is an arithmetic number, because the mean of its divisors is an integer number (3730830).

Almost surely, 2^13679699 is an apocalyptic number.

13679699 is a deficient number, since it is larger than the sum of its proper divisors (1243621).

13679699 is a wasteful number, since it uses less digits than its factorization.

13679699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243620.

The product of its digits is 551124, while the sum is 50.

The square root of 13679699 is about 3698.6077110178. The cubic root of 13679699 is about 239.1620021726.

The spelling of 13679699 in words is "thirteen million, six hundred seventy-nine thousand, six hundred ninety-nine".