12478283 has 2 divisors, whose sum is σ = 12478284. Its totient is φ = 12478282.

The previous prime is 12478273. The next prime is 12478327. The reversal of 12478283 is 38287421.

It is a weak prime.

It is an emirp because it is prime and its reverse (38287421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12478283 - 2¹⁰ = 12477259 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12478223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6239141 + 6239142.

It is an arithmetic number, because the mean of its divisors is an integer number (6239142).

Almost surely, 2^12478283 is an apocalyptic number.

12478283 is a deficient number, since it is larger than the sum of its proper divisors (1).

12478283 is an equidigital number, since it uses as much as digits as its factorization.

12478283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 35.

The square root of 12478283 is about 3532.4613232136. The cubic root of 12478283 is about 231.9449619244.

The spelling of 12478283 in words is "twelve million, four hundred seventy-eight thousand, two hundred eighty-three".