13398375 has 16 divisors (see below), whose sum is σ = 22295520. Its totient is φ = 7145600.

The previous prime is 13398323. The next prime is 13398379. The reversal of 13398375 is 57389331.

It is not a de Polignac number, because 13398375 - 2⁷ = 13398247 is a prime.

It is a congruent number.

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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17490 + ... + 18239.

It is an arithmetic number, because the mean of its divisors is an integer number (1393470).

Almost surely, 2^13398375 is an apocalyptic number.

13398375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13398375 is a deficient number, since it is larger than the sum of its proper divisors (8897145).

13398375 is an equidigital number, since it uses as much as digits as its factorization.

13398375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35747 (or 35737 counting only the distinct ones).

The product of its digits is 68040, while the sum is 39.

The square root of 13398375 is about 3660.3790787294. The cubic root of 13398375 is about 237.5111721430.

The spelling of 13398375 in words is "thirteen million, three hundred ninety-eight thousand, three hundred seventy-five".