11021693 has 2 divisors, whose sum is σ = 11021694. Its totient is φ = 11021692.

The previous prime is 11021687. The next prime is 11021707. The reversal of 11021693 is 39612011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5555449 + 5466244 = 2357^2 + 2338^2 .

It is an emirp because it is prime and its reverse (39612011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11021693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11021683) 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, 5510846 + 5510847.

It is an arithmetic number, because the mean of its divisors is an integer number (5510847).

Almost surely, 2^11021693 is an apocalyptic number.

It is an amenable number.

11021693 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021693 is an equidigital number, since it uses as much as digits as its factorization.

11021693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 11021693 is about 3319.8935223889. The cubic root of 11021693 is about 222.5441094219.

The spelling of 11021693 in words is "eleven million, twenty-one thousand, six hundred ninety-three".