11820448 has 24 divisors (see below), whose sum is σ = 23349060. Its totient is φ = 5890560.

The previous prime is 11820443. The next prime is 11820463. The reversal of 11820448 is 84402811.

It can be written as a sum of positive squares in 2 ways, for example, as 10679824 + 1140624 = 3268^2 + 1068^2 .

It is not an unprimeable number, because it can be changed into a prime (11820443) 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 3 ways as a sum of consecutive naturals, for example, 16318 + ... + 17026.

Almost surely, 2^11820448 is an apocalyptic number.

It is an amenable number.

11820448 is a deficient number, since it is larger than the sum of its proper divisors (11528612).

11820448 is an equidigital number, since it uses as much as digits as its factorization.

11820448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 11820448 is about 3438.0878406463. The cubic root of 11820448 is about 227.7952404000.

The spelling of 11820448 in words is "eleven million, eight hundred twenty thousand, four hundred forty-eight".