11821283 has 2 divisors, whose sum is σ = 11821284. Its totient is φ = 11821282.

The previous prime is 11821267. The next prime is 11821289. The reversal of 11821283 is 38212811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11821283 - 2⁴ = 11821267 is a prime.

It is not a weakly prime, because it can be changed into another prime (11821289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5910641 + 5910642.

It is an arithmetic number, because the mean of its divisors is an integer number (5910642).

Almost surely, 2^11821283 is an apocalyptic number.

11821283 is a deficient number, since it is larger than the sum of its proper divisors (1).

11821283 is an equidigital number, since it uses as much as digits as its factorization.

11821283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 26.

The square root of 11821283 is about 3438.2092722811. The cubic root of 11821283 is about 227.8006041151.

The spelling of 11821283 in words is "eleven million, eight hundred twenty-one thousand, two hundred eighty-three".