13197975 has 48 divisors (see below), whose sum is σ = 26045952. Its totient is φ = 5765760.

The previous prime is 13197959. The next prime is 13197979. The reversal of 13197975 is 57979131.

13197975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13197975 - 2⁴ = 13197959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13197979) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11529 + ... + 12621.

It is an arithmetic number, because the mean of its divisors is an integer number (542624).

Almost surely, 2^13197975 is an apocalyptic number.

13197975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13197975 is a deficient number, since it is larger than the sum of its proper divisors (12847977).

13197975 is a wasteful number, since it uses less digits than its factorization.

13197975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136 (or 1131 counting only the distinct ones).

The product of its digits is 59535, while the sum is 42.

The square root of 13197975 is about 3632.9017327751. The cubic root of 13197975 is about 236.3210642576.

The spelling of 13197975 in words is "thirteen million, one hundred ninety-seven thousand, nine hundred seventy-five".