13698289 has 6 divisors (see below), whose sum is σ = 15056930. Its totient is φ = 12452880.

The previous prime is 13698283. The next prime is 13698299. The reversal of 13698289 is 98289631.

It can be written as a sum of positive squares in only one way, i.e., 13017664 + 680625 = 3608^2 + 825^2 .

It is not a de Polignac number, because 13698289 - 2³ = 13698281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13698281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56484 + ... + 56725.

Almost surely, 2^13698289 is an apocalyptic number.

It is an amenable number.

13698289 is a deficient number, since it is larger than the sum of its proper divisors (1358641).

13698289 is a wasteful number, since it uses less digits than its factorization.

13698289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113231 (or 113220 counting only the distinct ones).

The product of its digits is 186624, while the sum is 46.

The square root of 13698289 is about 3701.1199656320. The cubic root of 13698289 is about 239.2702893790.

The spelling of 13698289 in words is "thirteen million, six hundred ninety-eight thousand, two hundred eighty-nine".