12647240678 has 16 divisors (see below), whose sum is σ = 20089296000. Its totient is φ = 5950901376.

The previous prime is 12647240653. The next prime is 12647240681. The reversal of 12647240678 is 87604274621.

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, 333323 + ... + 369321.

It is an arithmetic number, because the mean of its divisors is an integer number (1255581000).

Almost surely, 2^12647240678 is an apocalyptic number.

12647240678 is a deficient number, since it is larger than the sum of its proper divisors (7442055322).

12647240678 is a wasteful number, since it uses less digits than its factorization.

12647240678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46351.

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 12647240678 in words is "twelve billion, six hundred forty-seven million, two hundred forty thousand, six hundred seventy-eight".