12606584391 has 8 divisors (see below), whose sum is σ = 18676421360. Its totient is φ = 8404389576.

The previous prime is 12606584371. The next prime is 12606584407. The reversal of 12606584391 is 19348560621.

12606584391 is a `hidden beast` number, since 1 + 2 + 60 + 6 + 584 + 3 + 9 + 1 = 666.

It is not a de Polignac number, because 12606584391 - 2⁵ = 12606584359 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 (12606584321) 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, 233455240 + ... + 233455293.

It is an arithmetic number, because the mean of its divisors is an integer number (2334552670).

Almost surely, 2^12606584391 is an apocalyptic number.

12606584391 is a deficient number, since it is larger than the sum of its proper divisors (6069836969).

12606584391 is an equidigital number, since it uses as much as digits as its factorization.

12606584391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466910542 (or 466910536 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 12606584391 in words is "twelve billion, six hundred six million, five hundred eighty-four thousand, three hundred ninety-one".