11272448 has 36 divisors (see below), whose sum is σ = 24552528. Its totient is φ = 5122560.

The previous prime is 11272447. The next prime is 11272451. The reversal of 11272448 is 84427211.

It is a self number, because there is not a number n which added to its sum of digits gives 11272448.

It is not an unprimeable number, because it can be changed into a prime (11272447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815 + ... + 4817.

Almost surely, 2^11272448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11272448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12276264).

11272448 is an abundant number, since it is smaller than the sum of its proper divisors (13280080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11272448 is an equidigital number, since it uses as much as digits as its factorization.

11272448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4030 (or 4016 counting only the distinct ones).

The product of its digits is 3584, while the sum is 29.

The square root of 11272448 is about 3357.4466488688. The cubic root of 11272448 is about 224.2191732347.

Adding to 11272448 its reverse (84427211), we get a palindrome (95699659).

The spelling of 11272448 in words is "eleven million, two hundred seventy-two thousand, four hundred forty-eight".