12647444707 has 8 divisors (see below), whose sum is σ = 13085598240. Its totient is φ = 12209426880.

The previous prime is 12647444683. The next prime is 12647444717. The reversal of 12647444707 is 70744474621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12647444707 - 2¹⁵ = 12647411939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12647444717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178282 + ... + 238912.

It is an arithmetic number, because the mean of its divisors is an integer number (1635699780).

Almost surely, 2^12647444707 is an apocalyptic number.

12647444707 is a deficient number, since it is larger than the sum of its proper divisors (438153533).

12647444707 is an equidigital number, since it uses as much as digits as its factorization.

12647444707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67853.

The product of its (nonzero) digits is 1053696, while the sum is 46.

The spelling of 12647444707 in words is "twelve billion, six hundred forty-seven million, four hundred forty-four thousand, seven hundred seven".