12147283 has 2 divisors, whose sum is σ = 12147284. Its totient is φ = 12147282.

The previous prime is 12147271. The next prime is 12147293. The reversal of 12147283 is 38274121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12147283 is a prime.

It is not a weakly prime, because it can be changed into another prime (12147203) 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, 6073641 + 6073642.

It is an arithmetic number, because the mean of its divisors is an integer number (6073642).

Almost surely, 2^12147283 is an apocalyptic number.

12147283 is a deficient number, since it is larger than the sum of its proper divisors (1).

12147283 is an equidigital number, since it uses as much as digits as its factorization.

12147283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 28.

The square root of 12147283 is about 3485.2952529162. The cubic root of 12147283 is about 229.8756921218.

The spelling of 12147283 in words is "twelve million, one hundred forty-seven thousand, two hundred eighty-three".