12672291928 has 32 divisors (see below), whose sum is σ = 24100014960. Its totient is φ = 6245959680.

The previous prime is 12672291893. The next prime is 12672291959. The reversal of 12672291928 is 82919227621.

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 7 ways as a sum of consecutive naturals, for example, 282568 + ... + 324328.

Almost surely, 2^12672291928 is an apocalyptic number.

It is an amenable number.

12672291928 is a deficient number, since it is larger than the sum of its proper divisors (11427723032).

12672291928 is a wasteful number, since it uses less digits than its factorization.

12672291928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42307 (or 42303 counting only the distinct ones).

The product of its digits is 435456, while the sum is 49.

The spelling of 12672291928 in words is "twelve billion, six hundred seventy-two million, two hundred ninety-one thousand, nine hundred twenty-eight".