12448784 has 10 divisors (see below), whose sum is σ = 24119550. Its totient is φ = 6224384.

The previous prime is 12448771. The next prime is 12448817. The reversal of 12448784 is 48784421.

It is a happy number.

12448784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6553600 + 5895184 = 2560^2 + 2428^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389009 + ... + 389040.

It is an arithmetic number, because the mean of its divisors is an integer number (2411955).

Almost surely, 2^12448784 is an apocalyptic number.

It is an amenable number.

12448784 is a deficient number, since it is larger than the sum of its proper divisors (11670766).

12448784 is an equidigital number, since it uses as much as digits as its factorization.

12448784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778057 (or 778051 counting only the distinct ones).

The product of its digits is 57344, while the sum is 38.

The square root of 12448784 is about 3528.2834353266. The cubic root of 12448784 is about 231.7620429764.

The spelling of 12448784 in words is "twelve million, four hundred forty-eight thousand, seven hundred eighty-four".