13999713 has 32 divisors (see below), whose sum is σ = 24192000. Its totient is φ = 6993216.

The previous prime is 13999703. The next prime is 13999723. The reversal of 13999713 is 31799931.

It is an interprime number because it is at equal distance from previous prime (13999703) and next prime (13999723).

It is not a de Polignac number, because 13999713 - 2¹⁰ = 13998689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13999703) 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 31 ways as a sum of consecutive naturals, for example, 3838 + ... + 6536.

It is an arithmetic number, because the mean of its divisors is an integer number (756000).

Almost surely, 2^13999713 is an apocalyptic number.

13999713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13999713 is a deficient number, since it is larger than the sum of its proper divisors (10192287).

13999713 is a wasteful number, since it uses less digits than its factorization.

13999713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741.

The product of its digits is 45927, while the sum is 42.

The square root of 13999713 is about 3741.6190345892. The cubic root of 13999713 is about 241.0125794757.

The spelling of 13999713 in words is "thirteen million, nine hundred ninety-nine thousand, seven hundred thirteen".