12647444706 has 32 divisors (see below), whose sum is σ = 30267390720. Its totient is φ = 3891521232.

The previous prime is 12647444683. The next prime is 12647444717. The reversal of 12647444706 is 60744474621.

It is a happy number.

12647444706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9007450 + ... + 9008853.

It is an arithmetic number, because the mean of its divisors is an integer number (945855960).

Almost surely, 2^12647444706 is an apocalyptic number.

12647444706 is an abundant number, since it is smaller than the sum of its proper divisors (17619946014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12647444706 is a wasteful number, since it uses less digits than its factorization.

12647444706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18016327 (or 18016321 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The spelling of 12647444706 in words is "twelve billion, six hundred forty-seven million, four hundred forty-four thousand, seven hundred six".