13685159 has 2 divisors, whose sum is σ = 13685160. Its totient is φ = 13685158.

The previous prime is 13685141. The next prime is 13685173. The reversal of 13685159 is 95158631.

13685159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13685159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13685359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6842579 + 6842580.

It is an arithmetic number, because the mean of its divisors is an integer number (6842580).

Almost surely, 2^13685159 is an apocalyptic number.

13685159 is a deficient number, since it is larger than the sum of its proper divisors (1).

13685159 is an equidigital number, since it uses as much as digits as its factorization.

13685159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 38.

The square root of 13685159 is about 3699.3457529677. The cubic root of 13685159 is about 239.1938169768.

The spelling of 13685159 in words is "thirteen million, six hundred eighty-five thousand, one hundred fifty-nine".