12606557077 has 16 divisors (see below), whose sum is σ = 13416907392. Its totient is φ = 11803968000.

The previous prime is 12606557063. The next prime is 12606557087. The reversal of 12606557077 is 77075560621.

It is a cyclic number.

It is not a de Polignac number, because 12606557077 - 2¹⁵ = 12606524309 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 (12606557017) 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, 7069528 + ... + 7071310.

It is an arithmetic number, because the mean of its divisors is an integer number (838556712).

Almost surely, 2^12606557077 is an apocalyptic number.

12606557077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12606557077 is a deficient number, since it is larger than the sum of its proper divisors (810350315).

12606557077 is a wasteful number, since it uses less digits than its factorization.

12606557077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708.

The product of its (nonzero) digits is 617400, while the sum is 46.

The spelling of 12606557077 in words is "twelve billion, six hundred six million, five hundred fifty-seven thousand, seventy-seven".