12283949 has 2 divisors, whose sum is σ = 12283950. Its totient is φ = 12283948.

The previous prime is 12283933. The next prime is 12283951. The reversal of 12283949 is 94938221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12040900 + 243049 = 3470^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 12283949 - 2⁴ = 12283933 is a prime.

It is a Sophie Germain prime.

Together with 12283951, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12283919) 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, 6141974 + 6141975.

It is an arithmetic number, because the mean of its divisors is an integer number (6141975).

Almost surely, 2^12283949 is an apocalyptic number.

It is an amenable number.

12283949 is a deficient number, since it is larger than the sum of its proper divisors (1).

12283949 is an equidigital number, since it uses as much as digits as its factorization.

12283949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The square root of 12283949 is about 3504.8465016317. The cubic root of 12283949 is about 230.7345701590.

The spelling of 12283949 in words is "twelve million, two hundred eighty-three thousand, nine hundred forty-nine".