12775907613 has 16 divisors (see below), whose sum is σ = 19798018560. Its totient is φ = 7176780336.

The previous prime is 12775907603. The next prime is 12775907657. The reversal of 12775907613 is 31670957721.

It is not a de Polignac number, because 12775907613 - 2⁴ = 12775907597 is a prime.

It is a super-2 number, since 2×12775907613² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12775907603) 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, 5154495 + ... + 5156972.

It is an arithmetic number, because the mean of its divisors is an integer number (1237376160).

Almost surely, 2^12775907613 is an apocalyptic number.

It is an amenable number.

12775907613 is a deficient number, since it is larger than the sum of its proper divisors (7022110947).

12775907613 is a wasteful number, since it uses less digits than its factorization.

12775907613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10311536.

The product of its (nonzero) digits is 555660, while the sum is 48.

The spelling of 12775907613 in words is "twelve billion, seven hundred seventy-five million, nine hundred seven thousand, six hundred thirteen".