13098897 has 24 divisors (see below), whose sum is σ = 22037184. Its totient is φ = 7341984.

The previous prime is 13098893. The next prime is 13098913. The reversal of 13098897 is 79889031.

It is not a de Polignac number, because 13098897 - 2² = 13098893 is a prime.

It is a super-2 number, since 2×13098897² = 343162205233218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13098893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1378 + ... + 5300.

It is an arithmetic number, because the mean of its divisors is an integer number (918216).

Almost surely, 2^13098897 is an apocalyptic number.

It is an amenable number.

13098897 is a deficient number, since it is larger than the sum of its proper divisors (8938287).

13098897 is a wasteful number, since it uses less digits than its factorization.

13098897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989 (or 3986 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 13098897 is about 3619.2398373139. The cubic root of 13098897 is about 235.7282194046.

The spelling of 13098897 in words is "thirteen million, ninety-eight thousand, eight hundred ninety-seven".