12282547 has 2 divisors, whose sum is σ = 12282548. Its totient is φ = 12282546.

The previous prime is 12282511. The next prime is 12282553. The reversal of 12282547 is 74528221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12282547 - 2⁷ = 12282419 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12282577) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6141273 + 6141274.

It is an arithmetic number, because the mean of its divisors is an integer number (6141274).

Almost surely, 2^12282547 is an apocalyptic number.

12282547 is a deficient number, since it is larger than the sum of its proper divisors (1).

12282547 is an equidigital number, since it uses as much as digits as its factorization.

12282547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8960, while the sum is 31.

The square root of 12282547 is about 3504.6464871653. The cubic root of 12282547 is about 230.7257917069.

It can be divided in two parts, 122825 and 47, that multiplied together give a palindrome (5772775).

The spelling of 12282547 in words is "twelve million, two hundred eighty-two thousand, five hundred forty-seven".