13664759 has 2 divisors, whose sum is σ = 13664760. Its totient is φ = 13664758.

The previous prime is 13664747. The next prime is 13664789. The reversal of 13664759 is 95746631.

13664759 is digitally balanced in base 2, 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 13664759 - 2¹² = 13660663 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13664789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6832379 + 6832380.

It is an arithmetic number, because the mean of its divisors is an integer number (6832380).

Almost surely, 2^13664759 is an apocalyptic number.

13664759 is a deficient number, since it is larger than the sum of its proper divisors (1).

13664759 is an equidigital number, since it uses as much as digits as its factorization.

13664759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 13664759 is about 3696.5874803662. The cubic root of 13664759 is about 239.0749051817.

The spelling of 13664759 in words is "thirteen million, six hundred sixty-four thousand, seven hundred fifty-nine".