11216993 has 2 divisors, whose sum is σ = 11216994. Its totient is φ = 11216992.

The previous prime is 11216977. The next prime is 11217001. The reversal of 11216993 is 39961211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10549504 + 667489 = 3248^2 + 817^2 .

It is a cyclic number.

It is not a de Polignac number, because 11216993 - 2⁴ = 11216977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11216393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5608496 + 5608497.

It is an arithmetic number, because the mean of its divisors is an integer number (5608497).

Almost surely, 2^11216993 is an apocalyptic number.

It is an amenable number.

11216993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11216993 is an equidigital number, since it uses as much as digits as its factorization.

11216993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 32.

The square root of 11216993 is about 3349.1779588430. The cubic root of 11216993 is about 223.8508852922.

The spelling of 11216993 in words is "eleven million, two hundred sixteen thousand, nine hundred ninety-three".