11213443 has 8 divisors (see below), whose sum is σ = 11757600. Its totient is φ = 10674048.

The previous prime is 11213417. The next prime is 11213453. The reversal of 11213443 is 34431211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11213443 - 2¹⁷ = 11082371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11213443.

It is not an unprimeable number, because it can be changed into a prime (11213453) 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 7 ways as a sum of consecutive naturals, for example, 4203 + ... + 6331.

It is an arithmetic number, because the mean of its divisors is an integer number (1469700).

Almost surely, 2^11213443 is an apocalyptic number.

11213443 is a deficient number, since it is larger than the sum of its proper divisors (544157).

11213443 is a wasteful number, since it uses less digits than its factorization.

11213443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381.

The product of its digits is 288, while the sum is 19.

The square root of 11213443 is about 3348.6479361079. The cubic root of 11213443 is about 223.8272677181.

Adding to 11213443 its reverse (34431211), we get a palindrome (45644654).

The spelling of 11213443 in words is "eleven million, two hundred thirteen thousand, four hundred forty-three".