12279283 has 2 divisors, whose sum is σ = 12279284. Its totient is φ = 12279282.

The previous prime is 12279247. The next prime is 12279299. The reversal of 12279283 is 38297221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12279283 - 2²¹ = 10182131 is a prime.

It is not a weakly prime, because it can be changed into another prime (12279233) 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, 6139641 + 6139642.

It is an arithmetic number, because the mean of its divisors is an integer number (6139642).

Almost surely, 2^12279283 is an apocalyptic number.

12279283 is a deficient number, since it is larger than the sum of its proper divisors (1).

12279283 is an equidigital number, since it uses as much as digits as its factorization.

12279283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 12279283 is about 3504.1807887151. The cubic root of 12279283 is about 230.7053519804.

The spelling of 12279283 in words is "twelve million, two hundred seventy-nine thousand, two hundred eighty-three".