12628394707 has 8 divisors (see below), whose sum is σ = 13617268560. Its totient is φ = 11671943040.

The previous prime is 12628394693. The next prime is 12628394759. The reversal of 12628394707 is 70749382621.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12628394707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12628394407) 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, 8104738 + ... + 8106295.

It is an arithmetic number, because the mean of its divisors is an integer number (1702158570).

Almost surely, 2^12628394707 is an apocalyptic number.

12628394707 is a deficient number, since it is larger than the sum of its proper divisors (988873853).

12628394707 is a wasteful number, since it uses less digits than its factorization.

12628394707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16211093.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 12628394707 in words is "twelve billion, six hundred twenty-eight million, three hundred ninety-four thousand, seven hundred seven".