11013243 has 16 divisors (see below), whose sum is σ = 15278880. Its totient is φ = 7047936.

The previous prime is 11013227. The next prime is 11013253. The reversal of 11013243 is 34231011.

It is not a de Polignac number, because 11013243 - 2⁴ = 11013227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11013253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23871 + ... + 24327.

It is an arithmetic number, because the mean of its divisors is an integer number (954930).

Almost surely, 2^11013243 is an apocalyptic number.

11013243 is a deficient number, since it is larger than the sum of its proper divisors (4265637).

11013243 is a wasteful number, since it uses less digits than its factorization.

11013243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 11013243 is about 3318.6206471967. The cubic root of 11013243 is about 222.4872222599.

Adding to 11013243 its reverse (34231011), we get a palindrome (45244254).

The spelling of 11013243 in words is "eleven million, thirteen thousand, two hundred forty-three".