13240975 has 24 divisors (see below), whose sum is σ = 18146160. Its totient is φ = 9504000.

The previous prime is 13240973. The next prime is 13241017. The reversal of 13240975 is 57904231.

It is not a de Polignac number, because 13240975 - 2¹ = 13240973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240973) 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 23 ways as a sum of consecutive naturals, for example, 24205 + ... + 24745.

It is an arithmetic number, because the mean of its divisors is an integer number (756090).

Almost surely, 2^13240975 is an apocalyptic number.

13240975 is a deficient number, since it is larger than the sum of its proper divisors (4905185).

13240975 is a wasteful number, since it uses less digits than its factorization.

13240975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 13240975 is about 3638.8150543824. The cubic root of 13240975 is about 236.5774366611.

The spelling of 13240975 in words is "thirteen million, two hundred forty thousand, nine hundred seventy-five".