12225727 has 2 divisors, whose sum is σ = 12225728. Its totient is φ = 12225726.

The previous prime is 12225709. The next prime is 12225751. The reversal of 12225727 is 72752221.

It is a weak prime.

It is an emirp because it is prime and its reverse (72752221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12225727 - 2¹⁵ = 12192959 is a prime.

It is a Chen prime.

It is equal to p₈₀₁₈₆₅ and since 12225727 and 801865 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 12225695 and 12225704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12225757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6112863 + 6112864.

It is an arithmetic number, because the mean of its divisors is an integer number (6112864).

Almost surely, 2^12225727 is an apocalyptic number.

12225727 is a deficient number, since it is larger than the sum of its proper divisors (1).

12225727 is an equidigital number, since it uses as much as digits as its factorization.

12225727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3920, while the sum is 28.

The square root of 12225727 is about 3496.5307091459. The cubic root of 12225727 is about 230.3694566214.

Adding to 12225727 its reverse (72752221), we get a palindrome (84977948).

The spelling of 12225727 in words is "twelve million, two hundred twenty-five thousand, seven hundred twenty-seven".