12798899 has 4 divisors (see below), whose sum is σ = 13071264. Its totient is φ = 12526536.

The previous prime is 12798887. The next prime is 12798901. The reversal of 12798899 is 99889721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99889721 = 211 ⋅473411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12798899 is a prime.

It is a super-2 number, since 2×12798899² = 327623631224402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12798899.

It is not an unprimeable number, because it can be changed into a prime (12798829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136112 + ... + 136205.

It is an arithmetic number, because the mean of its divisors is an integer number (3267816).

Almost surely, 2^12798899 is an apocalyptic number.

12798899 is a deficient number, since it is larger than the sum of its proper divisors (272365).

12798899 is an equidigital number, since it uses as much as digits as its factorization.

12798899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272364.

The product of its digits is 653184, while the sum is 53.

The square root of 12798899 is about 3577.5548912630. The cubic root of 12798899 is about 233.9147118990.

The spelling of 12798899 in words is "twelve million, seven hundred ninety-eight thousand, eight hundred ninety-nine".