12685058776 has 32 divisors (see below), whose sum is σ = 27120774240. Its totient is φ = 5510251008.

The previous prime is 12685058767. The next prime is 12685058777. The reversal of 12685058776 is 67785058621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12685058777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3585636 + ... + 3589171.

It is an arithmetic number, because the mean of its divisors is an integer number (847524195).

Almost surely, 2^12685058776 is an apocalyptic number.

It is an amenable number.

12685058776 is an abundant number, since it is smaller than the sum of its proper divisors (14435715464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12685058776 is a wasteful number, since it uses less digits than its factorization.

12685058776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7174843 (or 7174839 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 55.

The spelling of 12685058776 in words is "twelve billion, six hundred eighty-five million, fifty-eight thousand, seven hundred seventy-six".