12418999 has 2 divisors, whose sum is σ = 12419000. Its totient is φ = 12418998.

The previous prime is 12418981. The next prime is 12419009. The reversal of 12418999 is 99981421.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (99981421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12418999 - 2¹³ = 12410807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12418499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6209499 + 6209500.

It is an arithmetic number, because the mean of its divisors is an integer number (6209500).

Almost surely, 2^12418999 is an apocalyptic number.

12418999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12418999 is an equidigital number, since it uses as much as digits as its factorization.

12418999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 43.

The square root of 12418999 is about 3524.0600165150. The cubic root of 12418999 is about 231.5770571661.

The spelling of 12418999 in words is "twelve million, four hundred eighteen thousand, nine hundred ninety-nine".