11773213 has 2 divisors, whose sum is σ = 11773214. Its totient is φ = 11773212.

The previous prime is 11773189. The next prime is 11773219. The reversal of 11773213 is 31237711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10478169 + 1295044 = 3237^2 + 1138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11773213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11773219) 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, 5886606 + 5886607.

It is an arithmetic number, because the mean of its divisors is an integer number (5886607).

Almost surely, 2^11773213 is an apocalyptic number.

It is an amenable number.

11773213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11773213 is an equidigital number, since it uses as much as digits as its factorization.

11773213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882, while the sum is 25.

The square root of 11773213 is about 3431.2115935920. The cubic root of 11773213 is about 227.4914089257.

The spelling of 11773213 in words is "eleven million, seven hundred seventy-three thousand, two hundred thirteen".