11824817 has 2 divisors, whose sum is σ = 11824818. Its totient is φ = 11824816.

The previous prime is 11824781. The next prime is 11824819. The reversal of 11824817 is 71842811.

Together with previous prime (11824781) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9388096 + 2436721 = 3064^2 + 1561^2 .

It is a cyclic number.

It is not a de Polignac number, because 11824817 - 2¹⁸ = 11562673 is a prime.

Together with 11824819, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11824819) 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, 5912408 + 5912409.

It is an arithmetic number, because the mean of its divisors is an integer number (5912409).

Almost surely, 2^11824817 is an apocalyptic number.

It is an amenable number.

11824817 is a deficient number, since it is larger than the sum of its proper divisors (1).

11824817 is an equidigital number, since it uses as much as digits as its factorization.

11824817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3584, while the sum is 32.

The square root of 11824817 is about 3438.7231641992. The cubic root of 11824817 is about 227.8233023599.

The spelling of 11824817 in words is "eleven million, eight hundred twenty-four thousand, eight hundred seventeen".