12777602613 has 16 divisors (see below), whose sum is σ = 17133382656. Its totient is φ = 8470151360.

The previous prime is 12777602603. The next prime is 12777602639. The reversal of 12777602613 is 31620677721.

It is a cyclic number.

It is not a de Polignac number, because 12777602613 - 2¹⁰ = 12777601589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12777602603) 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, 2241595 + ... + 2247287.

It is an arithmetic number, because the mean of its divisors is an integer number (1070836416).

Almost surely, 2^12777602613 is an apocalyptic number.

It is an amenable number.

12777602613 is a deficient number, since it is larger than the sum of its proper divisors (4355780043).

12777602613 is a wasteful number, since it uses less digits than its factorization.

12777602613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9804.

The product of its (nonzero) digits is 148176, while the sum is 42.

The spelling of 12777602613 in words is "twelve billion, seven hundred seventy-seven million, six hundred two thousand, six hundred thirteen".