11866783 has 2 divisors, whose sum is σ = 11866784. Its totient is φ = 11866782.

The previous prime is 11866763. The next prime is 11866787. The reversal of 11866783 is 38766811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11866783 - 2⁹ = 11866271 is a prime.

It is equal to p₇₇₉₈₇₂ and since 11866783 and 779872 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11866787) 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, 5933391 + 5933392.

It is an arithmetic number, because the mean of its divisors is an integer number (5933392).

Almost surely, 2^11866783 is an apocalyptic number.

11866783 is a deficient number, since it is larger than the sum of its proper divisors (1).

11866783 is an equidigital number, since it uses as much as digits as its factorization.

11866783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The square root of 11866783 is about 3444.8197340354. The cubic root of 11866783 is about 228.0924973522.

The spelling of 11866783 in words is "eleven million, eight hundred sixty-six thousand, seven hundred eighty-three".