11822003 has 2 divisors, whose sum is σ = 11822004. Its totient is φ = 11822002.

The previous prime is 11821991. The next prime is 11822017. The reversal of 11822003 is 30022811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11822003 - 2¹⁶ = 11756467 is a prime.

It is not a weakly prime, because it can be changed into another prime (11822093) 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, 5911001 + 5911002.

It is an arithmetic number, because the mean of its divisors is an integer number (5911002).

Almost surely, 2^11822003 is an apocalyptic number.

11822003 is a deficient number, since it is larger than the sum of its proper divisors (1).

11822003 is an equidigital number, since it uses as much as digits as its factorization.

11822003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 11822003 is about 3438.3139763553. The cubic root of 11822003 is about 227.8052289122.

Adding to 11822003 its reverse (30022811), we get a palindrome (41844814).

The spelling of 11822003 in words is "eleven million, eight hundred twenty-two thousand, three".