11113472 has 22 divisors (see below), whose sum is σ = 22218138. Its totient is φ = 5556224.

The previous prime is 11113457. The next prime is 11113477. The reversal of 11113472 is 27431111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9634816 + 1478656 = 3104^2 + 1216^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4403 + ... + 6450.

Almost surely, 2^11113472 is an apocalyptic number.

It is an amenable number.

11113472 is a deficient number, since it is larger than the sum of its proper divisors (11104666).

11113472 is an equidigital number, since it uses as much as digits as its factorization.

11113472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10873 (or 10855 counting only the distinct ones).

The product of its digits is 168, while the sum is 20.

The square root of 11113472 is about 3333.6874478571. The cubic root of 11113472 is about 223.1601201429.

Adding to 11113472 its reverse (27431111), we get a palindrome (38544583).

The spelling of 11113472 in words is "eleven million, one hundred thirteen thousand, four hundred seventy-two".