12020448 has 48 divisors (see below), whose sum is σ = 34425216. Its totient is φ = 3642240.

The previous prime is 12020447. The next prime is 12020473. The reversal of 12020448 is 84402021.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4636 + ... + 6747.

It is an arithmetic number, because the mean of its divisors is an integer number (717192).

Almost surely, 2^12020448 is an apocalyptic number.

It is an amenable number.

12020448 is an abundant number, since it is smaller than the sum of its proper divisors (22404768).

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

12020448 is a wasteful number, since it uses less digits than its factorization.

12020448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11407 (or 11399 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 12020448 is about 3467.0517734813. The cubic root of 12020448 is about 229.0728142560.

Adding to 12020448 its reverse (84402021), we get a palindrome (96422469).

The spelling of 12020448 in words is "twelve million, twenty thousand, four hundred forty-eight".