12678947366 has 16 divisors (see below), whose sum is σ = 19610733744. Its totient is φ = 6144918624.

The previous prime is 12678947341. The next prime is 12678947423. The reversal of 12678947366 is 66374987621.

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, 711761 + ... + 729356.

It is an arithmetic number, because the mean of its divisors is an integer number (1225670859).

Almost surely, 2^12678947366 is an apocalyptic number.

12678947366 is a deficient number, since it is larger than the sum of its proper divisors (6931786378).

12678947366 is a wasteful number, since it uses less digits than its factorization.

12678947366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441255.

The product of its digits is 18289152, while the sum is 59.

The spelling of 12678947366 in words is "twelve billion, six hundred seventy-eight million, nine hundred forty-seven thousand, three hundred sixty-six".