11213441 has 4 divisors (see below), whose sum is σ = 11229012. Its totient is φ = 11197872.

The previous prime is 11213417. The next prime is 11213453. The reversal of 11213441 is 14431211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14431211 = 53 ⋅272287.

It can be written as a sum of positive squares in 2 ways, for example, as 5107600 + 6105841 = 2260^2 + 2471^2 .

It is a cyclic number.

It is not a de Polignac number, because 11213441 - 2²² = 7019137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213471) 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, 6650 + ... + 8163.

It is an arithmetic number, because the mean of its divisors is an integer number (2807253).

Almost surely, 2^11213441 is an apocalyptic number.

It is an amenable number.

11213441 is a deficient number, since it is larger than the sum of its proper divisors (15571).

11213441 is an equidigital number, since it uses as much as digits as its factorization.

11213441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15570.

The product of its digits is 96, while the sum is 17.

The square root of 11213441 is about 3348.6476374799. The cubic root of 11213441 is about 223.8272544110.

Adding to 11213441 its reverse (14431211), we get a palindrome (25644652).

The spelling of 11213441 in words is "eleven million, two hundred thirteen thousand, four hundred forty-one".