12949673976 has 48 divisors (see below), whose sum is σ = 37135098000. Its totient is φ = 4062642432.

The previous prime is 12949673951. The next prime is 12949673983. The reversal of 12949673976 is 67937694921.

12949673976 is a `hidden beast` number, since 1 + 2 + 9 + 496 + 73 + 9 + 76 = 666.

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 11 ways as a sum of consecutive naturals, for example, 5288676 + ... + 5291123.

It is an arithmetic number, because the mean of its divisors is an integer number (773647875).

Almost surely, 2^12949673976 is an apocalyptic number.

It is an amenable number.

12949673976 is an abundant number, since it is smaller than the sum of its proper divisors (24185424024).

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

12949673976 is a wasteful number, since it uses less digits than its factorization.

12949673976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10579828 (or 10579821 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 63.

The spelling of 12949673976 in words is "twelve billion, nine hundred forty-nine million, six hundred seventy-three thousand, nine hundred seventy-six".