12707907399 has 64 divisors (see below), whose sum is σ = 21794918400. Its totient is φ = 7241810400.

The previous prime is 12707907397. The next prime is 12707907419. The reversal of 12707907399 is 99370970721.

It is a happy number.

It is not a de Polignac number, because 12707907399 - 2¹ = 12707907397 is a prime.

It is a super-2 number, since 2×12707907399² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12707907391) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 387264 + ... + 418794.

It is an arithmetic number, because the mean of its divisors is an integer number (340545600).

Almost surely, 2^12707907399 is an apocalyptic number.

12707907399 is a deficient number, since it is larger than the sum of its proper divisors (9087011001).

12707907399 is a wasteful number, since it uses less digits than its factorization.

12707907399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31633 (or 31627 counting only the distinct ones).

The product of its (nonzero) digits is 1500282, while the sum is 54.

The spelling of 12707907399 in words is "twelve billion, seven hundred seven million, nine hundred seven thousand, three hundred ninety-nine".