12418499 has 2 divisors, whose sum is σ = 12418500. Its totient is φ = 12418498.

The previous prime is 12418493. The next prime is 12418501. The reversal of 12418499 is 99481421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12418499 is a prime.

It is a super-5 number, since 5×12418499⁵ (a number of 37 digits) contains 55555 as substring.

Together with 12418501, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12418493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6209249 + 6209250.

It is an arithmetic number, because the mean of its divisors is an integer number (6209250).

Almost surely, 2^12418499 is an apocalyptic number.

12418499 is a deficient number, since it is larger than the sum of its proper divisors (1).

12418499 is an equidigital number, since it uses as much as digits as its factorization.

12418499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 38.

The square root of 12418499 is about 3523.9890748979. The cubic root of 12418499 is about 231.5739492913.

The spelling of 12418499 in words is "twelve million, four hundred eighteen thousand, four hundred ninety-nine".