13986799 has 4 divisors (see below), whose sum is σ = 14018400. Its totient is φ = 13955200.

The previous prime is 13986769. The next prime is 13986809. The reversal of 13986799 is 99768931.

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 13986799 - 2¹⁷ = 13855727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13986769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15127 + ... + 16024.

It is an arithmetic number, because the mean of its divisors is an integer number (3504600).

Almost surely, 2^13986799 is an apocalyptic number.

13986799 is a deficient number, since it is larger than the sum of its proper divisors (31601).

13986799 is an equidigital number, since it uses as much as digits as its factorization.

13986799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31600.

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

The square root of 13986799 is about 3739.8929129054. The cubic root of 13986799 is about 240.9384495284.

The spelling of 13986799 in words is "thirteen million, nine hundred eighty-six thousand, seven hundred ninety-nine".