13250320665613 has 16 divisors (see below), whose sum is σ = 14099258839680. Its totient is φ = 12409257563136.

The previous prime is 13250320665563. The next prime is 13250320665643. The reversal of 13250320665613 is 31656602305231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13250320665613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13250320665613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13250320665643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415056 + ... + 5164582.

It is an arithmetic number, because the mean of its divisors is an integer number (881203677480).

Almost surely, 2^{13250320665613} is an apocalyptic number.

It is an amenable number.

13250320665613 is a deficient number, since it is larger than the sum of its proper divisors (848938174067).

13250320665613 is a wasteful number, since it uses less digits than its factorization.

13250320665613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4750356.

The product of its (nonzero) digits is 583200, while the sum is 43.

The spelling of 13250320665613 in words is "thirteen trillion, two hundred fifty billion, three hundred twenty million, six hundred sixty-five thousand, six hundred thirteen".