12999099 has 8 divisors (see below), whose sum is σ = 17800720. Its totient is φ = 8431776.

The previous prime is 12999089. The next prime is 12999127. The reversal of 12999099 is 99099921.

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

It is not a de Polignac number, because 12999099 - 2⁴ = 12999083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12999089) 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, 58444 + ... + 58665.

It is an arithmetic number, because the mean of its divisors is an integer number (2225090).

Almost surely, 2^12999099 is an apocalyptic number.

12999099 is a deficient number, since it is larger than the sum of its proper divisors (4801621).

12999099 is a wasteful number, since it uses less digits than its factorization.

12999099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117149.

The product of its (nonzero) digits is 118098, while the sum is 48.

The square root of 12999099 is about 3605.4263270798. The cubic root of 12999099 is about 235.1280364605.

The spelling of 12999099 in words is "twelve million, nine hundred ninety-nine thousand, ninety-nine".