12299099 has 4 divisors (see below), whose sum is σ = 12946440. Its totient is φ = 11651760.

The previous prime is 12299093. The next prime is 12299107. The reversal of 12299099 is 99099221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99099221 = 13 ⋅7623017.

It is a cyclic number.

It is not a de Polignac number, because 12299099 - 2⁴ = 12299083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12299093) 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, 323642 + ... + 323679.

It is an arithmetic number, because the mean of its divisors is an integer number (3236610).

Almost surely, 2^12299099 is an apocalyptic number.

12299099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12299099 is a deficient number, since it is larger than the sum of its proper divisors (647341).

12299099 is an equidigital number, since it uses as much as digits as its factorization.

12299099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647340.

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 12299099 is about 3507.0071285927. The cubic root of 12299099 is about 230.8293874595.

The spelling of 12299099 in words is "twelve million, two hundred ninety-nine thousand, ninety-nine".