12418451 has 2 divisors, whose sum is σ = 12418452. Its totient is φ = 12418450.

The previous prime is 12418433. The next prime is 12418493. The reversal of 12418451 is 15481421.

It is a weak prime.

It is an emirp because it is prime and its reverse (15481421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12418451 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12418451.

It is not a weakly prime, because it can be changed into another prime (12418411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6209225 + 6209226.

It is an arithmetic number, because the mean of its divisors is an integer number (6209226).

Almost surely, 2^12418451 is an apocalyptic number.

12418451 is a deficient number, since it is larger than the sum of its proper divisors (1).

12418451 is an equidigital number, since it uses as much as digits as its factorization.

12418451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1280, while the sum is 26.

The square root of 12418451 is about 3523.9822644276. The cubic root of 12418451 is about 231.5736509310.

Adding to 12418451 its reverse (15481421), we get a palindrome (27899872).

The spelling of 12418451 in words is "twelve million, four hundred eighteen thousand, four hundred fifty-one".