12970727678 has 32 divisors (see below), whose sum is σ = 20130508800. Its totient is φ = 6265353024.

The previous prime is 12970727669. The next prime is 12970727681. The reversal of 12970727678 is 87672707921.

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 15 ways as a sum of consecutive naturals, for example, 1599458 + ... + 1607546.

It is an arithmetic number, because the mean of its divisors is an integer number (629078400).

Almost surely, 2^12970727678 is an apocalyptic number.

12970727678 is a deficient number, since it is larger than the sum of its proper divisors (7159781122).

12970727678 is a wasteful number, since it uses less digits than its factorization.

12970727678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8384.

The product of its (nonzero) digits is 4148928, while the sum is 56.

The spelling of 12970727678 in words is "twelve billion, nine hundred seventy million, seven hundred twenty-seven thousand, six hundred seventy-eight".