12422448 has 60 divisors (see below), whose sum is σ = 35002968. Its totient is φ = 4112640.

The previous prime is 12422441. The next prime is 12422453. The reversal of 12422448 is 84422421.

12422448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12422441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40311 + ... + 40617.

Almost surely, 2^12422448 is an apocalyptic number.

12422448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12422448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17501484).

12422448 is an abundant number, since it is smaller than the sum of its proper divisors (22580520).

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

12422448 is a wasteful number, since it uses less digits than its factorization.

12422448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 593 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 12422448 is about 3524.5493328935. The cubic root of 12422448 is about 231.5984930146.

Subtracting from 12422448 its sum of digits (27), we obtain a palindrome (12422421).

Adding to 12422448 its reverse (84422421), we get a palindrome (96844869).

The spelling of 12422448 in words is "twelve million, four hundred twenty-two thousand, four hundred forty-eight".