12947777130671 has 16 divisors (see below), whose sum is σ = 13732273414080. Its totient is φ = 12165837189120.

The previous prime is 12947777130661. The next prime is 12947777130679. The reversal of 12947777130671 is 17603177774921.

It is a cyclic number.

It is not a de Polignac number, because 12947777130671 - 2¹⁰ = 12947777129647 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 (12947777130679) 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, 25643411 + ... + 26143451.

It is an arithmetic number, because the mean of its divisors is an integer number (858267088380).

Almost surely, 2^{12947777130671} is an apocalyptic number.

12947777130671 is a deficient number, since it is larger than the sum of its proper divisors (784496283409).

12947777130671 is a wasteful number, since it uses less digits than its factorization.

12947777130671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502594.

The product of its (nonzero) digits is 21781872, while the sum is 62.

The spelling of 12947777130671 in words is "twelve trillion, nine hundred forty-seven billion, seven hundred seventy-seven million, one hundred thirty thousand, six hundred seventy-one".