12998099 has 2 divisors, whose sum is σ = 12998100. Its totient is φ = 12998098.

The previous prime is 12998093. The next prime is 12998131. The reversal of 12998099 is 99089921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12998099 - 2²⁰ = 11949523 is a prime.

It is a super-2 number, since 2×12998099² = 337901155227602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12998093) 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 as a sum of consecutive naturals, namely, 6499049 + 6499050.

It is an arithmetic number, because the mean of its divisors is an integer number (6499050).

Almost surely, 2^12998099 is an apocalyptic number.

12998099 is a deficient number, since it is larger than the sum of its proper divisors (1).

12998099 is an equidigital number, since it uses as much as digits as its factorization.

12998099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 47.

The square root of 12998099 is about 3605.2876445576. The cubic root of 12998099 is about 235.1220069640.

The spelling of 12998099 in words is "twelve million, nine hundred ninety-eight thousand, ninety-nine".