13398369 has 12 divisors (see below), whose sum is σ = 18186576. Its totient is φ = 8774008.

The previous prime is 13398323. The next prime is 13398379. The reversal of 13398369 is 96389331.

It is not a de Polignac number, because 13398369 - 2¹² = 13394273 is a prime.

It is a super-2 number, since 2×13398369² = 359032583720322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13398369.

It is not an unprimeable number, because it can be changed into a prime (13398379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9802 + ... + 11084.

It is an arithmetic number, because the mean of its divisors is an integer number (1515548).

Almost surely, 2^13398369 is an apocalyptic number.

It is an amenable number.

13398369 is a deficient number, since it is larger than the sum of its proper divisors (4788207).

13398369 is an equidigital number, since it uses as much as digits as its factorization.

13398369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404 (or 1345 counting only the distinct ones).

The product of its digits is 104976, while the sum is 42.

The square root of 13398369 is about 3660.3782591421. The cubic root of 13398369 is about 237.5111366892.

The spelling of 13398369 in words is "thirteen million, three hundred ninety-eight thousand, three hundred sixty-nine".