12107999 has 8 divisors (see below), whose sum is σ = 12538560. Its totient is φ = 11684736.

The previous prime is 12107987. The next prime is 12108007. The reversal of 12107999 is 99970121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12107999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12107929) 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 7 ways as a sum of consecutive naturals, for example, 1667 + ... + 5195.

It is an arithmetic number, because the mean of its divisors is an integer number (1567320).

Almost surely, 2^12107999 is an apocalyptic number.

12107999 is a deficient number, since it is larger than the sum of its proper divisors (430561).

12107999 is an equidigital number, since it uses as much as digits as its factorization.

12107999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649.

The product of its (nonzero) digits is 10206, while the sum is 38.

The square root of 12107999 is about 3479.6550116355. The cubic root of 12107999 is about 229.6276204899.

The spelling of 12107999 in words is "twelve million, one hundred seven thousand, nine hundred ninety-nine".