12896438876 has 24 divisors (see below), whose sum is σ = 22617947520. Its totient is φ = 6434187200.

The previous prime is 12896438851. The next prime is 12896438887. The reversal of 12896438876 is 67883469821.

It is a super-3 number, since 3×12896438876³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5415206 + ... + 5417586.

It is an arithmetic number, because the mean of its divisors is an integer number (942414480).

Almost surely, 2^12896438876 is an apocalyptic number.

It is an amenable number.

12896438876 is a deficient number, since it is larger than the sum of its proper divisors (9721508644).

12896438876 is a wasteful number, since it uses less digits than its factorization.

12896438876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4765 (or 4763 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 62.

The spelling of 12896438876 in words is "twelve billion, eight hundred ninety-six million, four hundred thirty-eight thousand, eight hundred seventy-six".