13879699 has 4 divisors (see below), whose sum is σ = 14254864. Its totient is φ = 13504536.

The previous prime is 13879673. The next prime is 13879717. The reversal of 13879699 is 99697831.

13879699 is digitally balanced in base 3, 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.

It is a cyclic number.

It is not a de Polignac number, because 13879699 - 2⁷ = 13879571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13879609) 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, 187527 + ... + 187600.

It is an arithmetic number, because the mean of its divisors is an integer number (3563716).

Almost surely, 2^13879699 is an apocalyptic number.

13879699 is a deficient number, since it is larger than the sum of its proper divisors (375165).

13879699 is an equidigital number, since it uses as much as digits as its factorization.

13879699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375164.

The product of its digits is 734832, while the sum is 52.

The square root of 13879699 is about 3725.5468055039. The cubic root of 13879699 is about 240.3219002339.

The spelling of 13879699 in words is "thirteen million, eight hundred seventy-nine thousand, six hundred ninety-nine".