13699339 has 4 divisors (see below), whose sum is σ = 14171760. Its totient is φ = 13226920.

The previous prime is 13699313. The next prime is 13699381. The reversal of 13699339 is 93399631.

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 13699339 - 2⁵ = 13699307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13699295 and 13699304.

It is not an unprimeable number, because it can be changed into a prime (13699039) 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, 236167 + ... + 236224.

It is an arithmetic number, because the mean of its divisors is an integer number (3542940).

Almost surely, 2^13699339 is an apocalyptic number.

13699339 is a deficient number, since it is larger than the sum of its proper divisors (472421).

13699339 is an equidigital number, since it uses as much as digits as its factorization.

13699339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472420.

The product of its digits is 118098, while the sum is 43.

The square root of 13699339 is about 3701.2618118690. The cubic root of 13699339 is about 239.2764027309.

The spelling of 13699339 in words is "thirteen million, six hundred ninety-nine thousand, three hundred thirty-nine".