13040687786577 has 16 divisors (see below), whose sum is σ = 18968570083008. Its totient is φ = 7903323418880.

The previous prime is 13040687786513. The next prime is 13040687786701. The reversal of 13040687786577 is 77568778604031.

It is a cyclic number.

It is not a de Polignac number, because 13040687786577 - 2⁶ = 13040687786513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13040687786507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 930588 + ... + 5191085.

It is an arithmetic number, because the mean of its divisors is an integer number (1185535630188).

Almost surely, 2^{13040687786577} is an apocalyptic number.

It is an amenable number.

13040687786577 is a deficient number, since it is larger than the sum of its proper divisors (5927882296431).

13040687786577 is a wasteful number, since it uses less digits than its factorization.

13040687786577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6186240.

The product of its (nonzero) digits is 331914240, while the sum is 69.

The spelling of 13040687786577 in words is "thirteen trillion, forty billion, six hundred eighty-seven million, seven hundred eighty-six thousand, five hundred seventy-seven".