12047227 has 2 divisors, whose sum is σ = 12047228. Its totient is φ = 12047226.

The previous prime is 12047219. The next prime is 12047249. The reversal of 12047227 is 72274021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12047227 - 2³ = 12047219 is a prime.

It is not a weakly prime, because it can be changed into another prime (12047257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6023613 + 6023614.

It is an arithmetic number, because the mean of its divisors is an integer number (6023614).

Almost surely, 2^12047227 is an apocalyptic number.

12047227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12047227 is an equidigital number, since it uses as much as digits as its factorization.

12047227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 12047227 is about 3470.9115517397. The cubic root of 12047227 is about 229.2427965835.

The spelling of 12047227 in words is "twelve million, forty-seven thousand, two hundred twenty-seven".