13133975 has 6 divisors (see below), whose sum is σ = 16286160. Its totient is φ = 10507160.

The previous prime is 13133969. The next prime is 13134007. The reversal of 13133975 is 57933131.

It is not a de Polignac number, because 13133975 - 2⁸ = 13133719 is a prime.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 262655 + ... + 262704.

It is an arithmetic number, because the mean of its divisors is an integer number (2714360).

Almost surely, 2^13133975 is an apocalyptic number.

13133975 is a deficient number, since it is larger than the sum of its proper divisors (3152185).

13133975 is an equidigital number, since it uses as much as digits as its factorization.

13133975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525369 (or 525364 counting only the distinct ones).

The product of its digits is 8505, while the sum is 32.

The square root of 13133975 is about 3624.0826425456. The cubic root of 13133975 is about 235.9384534996.

The spelling of 13133975 in words is "thirteen million, one hundred thirty-three thousand, nine hundred seventy-five".