12769341776 has 20 divisors (see below), whose sum is σ = 24980802912. Its totient is φ = 6322682976.

The previous prime is 12769341769. The next prime is 12769341811. The reversal of 12769341776 is 67714396721.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3872546 + ... + 3875841.

Almost surely, 2^12769341776 is an apocalyptic number.

12769341776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12769341776 is a deficient number, since it is larger than the sum of its proper divisors (12211461136).

12769341776 is a wasteful number, since it uses less digits than its factorization.

12769341776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7748498 (or 7748492 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 53.

Subtracting 12769341776 from its reverse (67714396721), we obtain a palindrome (54945054945).

The spelling of 12769341776 in words is "twelve billion, seven hundred sixty-nine million, three hundred forty-one thousand, seven hundred seventy-six".