13240015717 has 4 divisors (see below), whose sum is σ = 13240658080. Its totient is φ = 13239373356.

The previous prime is 13240015703. The next prime is 13240015751. The reversal of 13240015717 is 71751004231.

13240015717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13240015717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240415717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289203 + ... + 331840.

It is an arithmetic number, because the mean of its divisors is an integer number (3310164520).

Almost surely, 2^13240015717 is an apocalyptic number.

It is an amenable number.

13240015717 is a deficient number, since it is larger than the sum of its proper divisors (642363).

13240015717 is an equidigital number, since it uses as much as digits as its factorization.

13240015717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642362.

The product of its (nonzero) digits is 5880, while the sum is 31.

Adding to 13240015717 its reverse (71751004231), we get a palindrome (84991019948).

The spelling of 13240015717 in words is "thirteen billion, two hundred forty million, fifteen thousand, seven hundred seventeen".