12899246617 has 8 divisors (see below), whose sum is σ = 13003882496. Its totient is φ = 12794658912.

The previous prime is 12899246609. The next prime is 12899246627. The reversal of 12899246617 is 71664299821.

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

It is a cyclic number.

It is not a de Polignac number, because 12899246617 - 2³ = 12899246609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12899246627) 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, 689653 + ... + 708109.

It is an arithmetic number, because the mean of its divisors is an integer number (1625485312).

Almost surely, 2^12899246617 is an apocalyptic number.

It is an amenable number.

12899246617 is a deficient number, since it is larger than the sum of its proper divisors (104635879).

12899246617 is a wasteful number, since it uses less digits than its factorization.

12899246617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24087.

The product of its digits is 2612736, while the sum is 55.

The spelling of 12899246617 in words is "twelve billion, eight hundred ninety-nine million, two hundred forty-six thousand, six hundred seventeen".