11285993 has 2 divisors, whose sum is σ = 11285994. Its totient is φ = 11285992.

The previous prime is 11285987. The next prime is 11286007. The reversal of 11285993 is 39958211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10004569 + 1281424 = 3163^2 + 1132^2 .

It is a cyclic number.

It is not a de Polignac number, because 11285993 - 2⁶ = 11285929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11285903) 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, 5642996 + 5642997.

It is an arithmetic number, because the mean of its divisors is an integer number (5642997).

Almost surely, 2^11285993 is an apocalyptic number.

It is an amenable number.

11285993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11285993 is an equidigital number, since it uses as much as digits as its factorization.

11285993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 38.

The square root of 11285993 is about 3359.4632011677. The cubic root of 11285993 is about 224.3089447162.

The spelling of 11285993 in words is "eleven million, two hundred eighty-five thousand, nine hundred ninety-three".