13021206678813 has 64 divisors (see below), whose sum is σ = 18101690449920. Its totient is φ = 8316861235200.

The previous prime is 13021206678773. The next prime is 13021206678877. The reversal of 13021206678813 is 31887660212031.

It is not a de Polignac number, because 13021206678813 - 2⁶ = 13021206678749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021206671813) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5374000720 + ... + 5374003142.

It is an arithmetic number, because the mean of its divisors is an integer number (282838913280).

Almost surely, 2^{13021206678813} is an apocalyptic number.

It is an amenable number.

13021206678813 is a deficient number, since it is larger than the sum of its proper divisors (5080483771107).

13021206678813 is a wasteful number, since it uses less digits than its factorization.

13021206678813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 13021206678813 in words is "thirteen trillion, twenty-one billion, two hundred six million, six hundred seventy-eight thousand, eight hundred thirteen".