12418337 has 2 divisors, whose sum is σ = 12418338. Its totient is φ = 12418336.

The previous prime is 12418331. The next prime is 12418339. The reversal of 12418337 is 73381421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9541921 + 2876416 = 3089^2 + 1696^2 .

It is a cyclic number.

It is not a de Polignac number, because 12418337 - 2¹⁰ = 12417313 is a prime.

Together with 12418339, 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 (12418331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6209168 + 6209169.

It is an arithmetic number, because the mean of its divisors is an integer number (6209169).

Almost surely, 2^12418337 is an apocalyptic number.

It is an amenable number.

12418337 is a deficient number, since it is larger than the sum of its proper divisors (1).

12418337 is an equidigital number, since it uses as much as digits as its factorization.

12418337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 12418337 is about 3523.9660895077. The cubic root of 12418337 is about 231.5729423220.

Adding to 12418337 its reverse (73381421), we get a palindrome (85799758).

The spelling of 12418337 in words is "twelve million, four hundred eighteen thousand, three hundred thirty-seven".