12418019 has 2 divisors, whose sum is σ = 12418020. Its totient is φ = 12418018.

The previous prime is 12417967. The next prime is 12418067. The reversal of 12418019 is 91081421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12418019 - 2¹² = 12413923 is a prime.

It is a super-2 number, since 2×12418019² = 308414391768722, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12418069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6209009 + 6209010.

It is an arithmetic number, because the mean of its divisors is an integer number (6209010).

Almost surely, 2^12418019 is an apocalyptic number.

12418019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12418019 is an equidigital number, since it uses as much as digits as its factorization.

12418019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 12418019 is about 3523.9209696019. The cubic root of 12418019 is about 231.5709656530.

The spelling of 12418019 in words is "twelve million, four hundred eighteen thousand, nineteen".