11782973 has 2 divisors, whose sum is σ = 11782974. Its totient is φ = 11782972.

The previous prime is 11782937. The next prime is 11782987. The reversal of 11782973 is 37928711.

Together with previous prime (11782937) 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., 10252804 + 1530169 = 3202^2 + 1237^2 .

It is an emirp because it is prime and its reverse (37928711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11782973 - 2¹⁰ = 11781949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11782913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5891486 + 5891487.

It is an arithmetic number, because the mean of its divisors is an integer number (5891487).

Almost surely, 2^11782973 is an apocalyptic number.

It is an amenable number.

11782973 is a deficient number, since it is larger than the sum of its proper divisors (1).

11782973 is an equidigital number, since it uses as much as digits as its factorization.

11782973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 38.

The square root of 11782973 is about 3432.6335370966. The cubic root of 11782973 is about 227.5542550631.

The spelling of 11782973 in words is "eleven million, seven hundred eighty-two thousand, nine hundred seventy-three".