12899597758 has 8 divisors (see below), whose sum is σ = 19350130752. Its totient is φ = 6449554176.

The previous prime is 12899597747. The next prime is 12899597759. The reversal of 12899597758 is 85779599821.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12899597759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47235 + ... + 167422.

It is an arithmetic number, because the mean of its divisors is an integer number (2418766344).

Almost surely, 2^12899597758 is an apocalyptic number.

12899597758 is a deficient number, since it is larger than the sum of its proper divisors (6450532994).

12899597758 is a wasteful number, since it uses less digits than its factorization.

12899597758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244706.

The product of its digits is 114307200, while the sum is 70.

The spelling of 12899597758 in words is "twelve billion, eight hundred ninety-nine million, five hundred ninety-seven thousand, seven hundred fifty-eight".