12917199386 has 96 divisors (see below), whose sum is σ = 25865542080. Its totient is φ = 4778694144.

The previous prime is 12917199377. The next prime is 12917199433. The reversal of 12917199386 is 68399171921.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3528425 + ... + 3532083.

It is an arithmetic number, because the mean of its divisors is an integer number (269432730).

Almost surely, 2^12917199386 is an apocalyptic number.

12917199386 is an abundant number, since it is smaller than the sum of its proper divisors (12948342694).

12917199386 is a wasteful number, since it uses less digits than its factorization.

12917199386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868 (or 3861 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 56.

The spelling of 12917199386 in words is "twelve billion, nine hundred seventeen million, one hundred ninety-nine thousand, three hundred eighty-six".