13240017 has 40 divisors (see below), whose sum is σ = 23812800. Its totient is φ = 7161696.

The previous prime is 13239997. The next prime is 13240021. The reversal of 13240017 is 71004231.

It is not a de Polignac number, because 13240017 - 2¹⁴ = 13223633 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240057) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10159 + ... + 11387.

It is an arithmetic number, because the mean of its divisors is an integer number (595320).

Almost surely, 2^13240017 is an apocalyptic number.

It is an amenable number.

13240017 is a deficient number, since it is larger than the sum of its proper divisors (10572783).

13240017 is a wasteful number, since it uses less digits than its factorization.

13240017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 13240017 is about 3638.6834157426. The cubic root of 13240017 is about 236.5717309722.

Adding to 13240017 its reverse (71004231), we get a palindrome (84244248).

The spelling of 13240017 in words is "thirteen million, two hundred forty thousand, seventeen".