12461227 has 2 divisors, whose sum is σ = 12461228. Its totient is φ = 12461226.

The previous prime is 12461219. The next prime is 12461231. The reversal of 12461227 is 72216421.

It is a strong prime.

It is an emirp because it is prime and its reverse (72216421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12461227 - 2³ = 12461219 is a prime.

It is not a weakly prime, because it can be changed into another prime (12461257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6230613 + 6230614.

It is an arithmetic number, because the mean of its divisors is an integer number (6230614).

Almost surely, 2^12461227 is an apocalyptic number.

12461227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12461227 is an equidigital number, since it uses as much as digits as its factorization.

12461227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 12461227 is about 3530.0463169766. The cubic root of 12461227 is about 231.8392353836.

Adding to 12461227 its reverse (72216421), we get a palindrome (84677648).

The spelling of 12461227 in words is "twelve million, four hundred sixty-one thousand, two hundred twenty-seven".