12647673434 has 32 divisors (see below), whose sum is σ = 20817447552. Its totient is φ = 5715360000.

The previous prime is 12647673403. The next prime is 12647673443. The reversal of 12647673434 is 43437674621.

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, 3008534 + ... + 3012734.

It is an arithmetic number, because the mean of its divisors is an integer number (650545236).

Almost surely, 2^12647673434 is an apocalyptic number.

12647673434 is a deficient number, since it is larger than the sum of its proper divisors (8169774118).

12647673434 is a wasteful number, since it uses less digits than its factorization.

12647673434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982.

The product of its digits is 2032128, while the sum is 47.

The spelling of 12647673434 in words is "twelve billion, six hundred forty-seven million, six hundred seventy-three thousand, four hundred thirty-four".