13898459 has 2 divisors, whose sum is σ = 13898460. Its totient is φ = 13898458.

The previous prime is 13898449. The next prime is 13898461. The reversal of 13898459 is 95489831.

13898459 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 not a de Polignac number, because 13898459 - 2²⁰ = 12849883 is a prime.

Together with 13898461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13898419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6949229 + 6949230.

It is an arithmetic number, because the mean of its divisors is an integer number (6949230).

Almost surely, 2^13898459 is an apocalyptic number.

13898459 is a deficient number, since it is larger than the sum of its proper divisors (1).

13898459 is an equidigital number, since it uses as much as digits as its factorization.

13898459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 47.

The square root of 13898459 is about 3728.0637065372. The cubic root of 13898459 is about 240.4301256632.

The spelling of 13898459 in words is "thirteen million, eight hundred ninety-eight thousand, four hundred fifty-nine".