13698959 has 2 divisors, whose sum is σ = 13698960. Its totient is φ = 13698958.

The previous prime is 13698929. The next prime is 13698973. The reversal of 13698959 is 95989631.

13698959 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 13698959 - 2⁸ = 13698703 is a prime.

It is a super-2 number, since 2×13698959² = 375322955367362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13698929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6849479 + 6849480.

It is an arithmetic number, because the mean of its divisors is an integer number (6849480).

Almost surely, 2^13698959 is an apocalyptic number.

13698959 is a deficient number, since it is larger than the sum of its proper divisors (1).

13698959 is an equidigital number, since it uses as much as digits as its factorization.

13698959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 50.

The square root of 13698959 is about 3701.2104776681. The cubic root of 13698959 is about 239.2741903158.

The spelling of 13698959 in words is "thirteen million, six hundred ninety-eight thousand, nine hundred fifty-nine".