12776786134 has 16 divisors (see below), whose sum is σ = 21904558848. Its totient is φ = 5475391272.

The previous prime is 12776786129. The next prime is 12776786147. The reversal of 12776786134 is 43168767721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308797 + ... + 347719.

It is an arithmetic number, because the mean of its divisors is an integer number (1369034928).

Almost surely, 2^12776786134 is an apocalyptic number.

12776786134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12776786134 is a deficient number, since it is larger than the sum of its proper divisors (9127772714).

12776786134 is a wasteful number, since it uses less digits than its factorization.

12776786134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62379.

The product of its digits is 2370816, while the sum is 52.

The spelling of 12776786134 in words is "twelve billion, seven hundred seventy-six million, seven hundred eighty-six thousand, one hundred thirty-four".