13453975 has 6 divisors (see below), whose sum is σ = 16682960. Its totient is φ = 10763160.

The previous prime is 13453967. The next prime is 13453981. The reversal of 13453975 is 57935431.

It is not a de Polignac number, because 13453975 - 2³ = 13453967 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 (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 269055 + ... + 269104.

Almost surely, 2^13453975 is an apocalyptic number.

13453975 is a deficient number, since it is larger than the sum of its proper divisors (3228985).

13453975 is an equidigital number, since it uses as much as digits as its factorization.

13453975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538169 (or 538164 counting only the distinct ones).

The product of its digits is 56700, while the sum is 37.

The square root of 13453975 is about 3667.9660576401. The cubic root of 13453975 is about 237.8392566174.

The spelling of 13453975 in words is "thirteen million, four hundred fifty-three thousand, nine hundred seventy-five".