12224687 has 2 divisors, whose sum is σ = 12224688. Its totient is φ = 12224686.

The previous prime is 12224669. The next prime is 12224701. The reversal of 12224687 is 78642221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12224687 - 2¹⁴ = 12208303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12224617) 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, 6112343 + 6112344.

It is an arithmetic number, because the mean of its divisors is an integer number (6112344).

Almost surely, 2^12224687 is an apocalyptic number.

12224687 is a deficient number, since it is larger than the sum of its proper divisors (1).

12224687 is an equidigital number, since it uses as much as digits as its factorization.

12224687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 32.

The square root of 12224687 is about 3496.3819871404. The cubic root of 12224687 is about 230.3629241938.

The spelling of 12224687 in words is "twelve million, two hundred twenty-four thousand, six hundred eighty-seven".