11282993 has 4 divisors (see below), whose sum is σ = 11323428. Its totient is φ = 11242560.

The previous prime is 11282989. The next prime is 11283029. The reversal of 11282993 is 39928211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6927424 + 4355569 = 2632^2 + 2087^2 .

It is a cyclic number.

It is not a de Polignac number, because 11282993 - 2² = 11282989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11282923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19796 + ... + 20357.

It is an arithmetic number, because the mean of its divisors is an integer number (2830857).

Almost surely, 2^11282993 is an apocalyptic number.

It is an amenable number.

11282993 is a deficient number, since it is larger than the sum of its proper divisors (40435).

11282993 is an equidigital number, since it uses as much as digits as its factorization.

11282993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40434.

The product of its digits is 7776, while the sum is 35.

The square root of 11282993 is about 3359.0166715871. The cubic root of 11282993 is about 224.2890679696.

The spelling of 11282993 in words is "eleven million, two hundred eighty-two thousand, nine hundred ninety-three".