11820773 has 2 divisors, whose sum is σ = 11820774. Its totient is φ = 11820772.

The previous prime is 11820769. The next prime is 11820791. The reversal of 11820773 is 37702811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7059649 + 4761124 = 2657^2 + 2182^2 .

It is a cyclic number.

It is not a de Polignac number, because 11820773 - 2² = 11820769 is a prime.

It is a super-3 number, since 3×11820773³ (a number of 22 digits) contains 333 as substring.

It is a Sophie Germain 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 (11820173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5910386 + 5910387.

It is an arithmetic number, because the mean of its divisors is an integer number (5910387).

Almost surely, 2^11820773 is an apocalyptic number.

It is an amenable number.

11820773 is a deficient number, since it is larger than the sum of its proper divisors (1).

11820773 is an equidigital number, since it uses as much as digits as its factorization.

11820773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 11820773 is about 3438.1351049661. The cubic root of 11820773 is about 227.7973281036.

The spelling of 11820773 in words is "eleven million, eight hundred twenty thousand, seven hundred seventy-three".