13683959 has 2 divisors, whose sum is σ = 13683960. Its totient is φ = 13683958.

The previous prime is 13683953. The next prime is 13683973. The reversal of 13683959 is 95938631.

It is a weak prime.

It is an emirp because it is prime and its reverse (95938631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13683959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13683953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6841979 + 6841980.

It is an arithmetic number, because the mean of its divisors is an integer number (6841980).

Almost surely, 2^13683959 is an apocalyptic number.

13683959 is a deficient number, since it is larger than the sum of its proper divisors (1).

13683959 is an equidigital number, since it uses as much as digits as its factorization.

13683959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 44.

The square root of 13683959 is about 3699.1835585707. The cubic root of 13683959 is about 239.1868254378.

The spelling of 13683959 in words is "thirteen million, six hundred eighty-three thousand, nine hundred fifty-nine".