13859 has 2 divisors, whose sum is σ = 13860. Its totient is φ = 13858.

The previous prime is 13841. The next prime is 13873. The reversal of 13859 is 95831.

13859 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-13859 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6929 + 6930.

It is an arithmetic number, because the mean of its divisors is an integer number (6930).

2¹³⁸⁵⁹ is an apocalyptic number.

13859 is a deficient number, since it is larger than the sum of its proper divisors (1).

13859 is an equidigital number, since it uses as much as digits as its factorization.

13859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 26.

The square root of 13859 is about 117.7242540856. The cubic root of 13859 is about 24.0202375599.

The spelling of 13859 in words is "thirteen thousand, eight hundred fifty-nine".