12671637276 has 48 divisors (see below), whose sum is σ = 31324799520. Its totient is φ = 3973079040.

The previous prime is 12671637229. The next prime is 12671637281. The reversal of 12671637276 is 67273617621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347596 + ... + 382316.

It is an arithmetic number, because the mean of its divisors is an integer number (652599990).

Almost surely, 2^12671637276 is an apocalyptic number.

It is an amenable number.

12671637276 is an abundant number, since it is smaller than the sum of its proper divisors (18653162244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12671637276 is a wasteful number, since it uses less digits than its factorization.

12671637276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36534 (or 36532 counting only the distinct ones).

The product of its digits is 889056, while the sum is 48.

The spelling of 12671637276 in words is "twelve billion, six hundred seventy-one million, six hundred thirty-seven thousand, two hundred seventy-six".