1299247342917 has 16 divisors (see below), whose sum is σ = 1734569760960. Its totient is φ = 865045625600.

The previous prime is 1299247342871. The next prime is 1299247342927. The reversal of 1299247342917 is 7192437429921.

It is a cyclic number.

It is not a de Polignac number, because 1299247342917 - 2⁶ = 1299247342853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299247342927) by changing a digit.

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, 7306459 + ... + 7482167.

It is an arithmetic number, because the mean of its divisors is an integer number (108410610060).

Almost surely, 2^{1299247342917} is an apocalyptic number.

It is an amenable number.

1299247342917 is a deficient number, since it is larger than the sum of its proper divisors (435322418043).

1299247342917 is a wasteful number, since it uses less digits than its factorization.

1299247342917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178884.

The product of its digits is 13716864, while the sum is 60.

The spelling of 1299247342917 in words is "one trillion, two hundred ninety-nine billion, two hundred forty-seven million, three hundred forty-two thousand, nine hundred seventeen".