13999759 has 2 divisors, whose sum is σ = 13999760. Its totient is φ = 13999758.

The previous prime is 13999757. The next prime is 13999781. The reversal of 13999759 is 95799931.

13999759 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13999759 - 2¹ = 13999757 is a prime.

Together with 13999757, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13999757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6999879 + 6999880.

It is an arithmetic number, because the mean of its divisors is an integer number (6999880).

Almost surely, 2^13999759 is an apocalyptic number.

13999759 is a deficient number, since it is larger than the sum of its proper divisors (1).

13999759 is an equidigital number, since it uses as much as digits as its factorization.

13999759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 688905, while the sum is 52.

The square root of 13999759 is about 3741.6251816557. The cubic root of 13999759 is about 241.0128434470.

The spelling of 13999759 in words is "thirteen million, nine hundred ninety-nine thousand, seven hundred fifty-nine".