12143448 has 48 divisors (see below), whose sum is σ = 34323120. Its totient is φ = 3871296.

The previous prime is 12143447. The next prime is 12143459. The reversal of 12143448 is 84434121.

12143448 is a `hidden beast` number, since 1 + 214 + 3 + 448 = 666.

12143448 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143441) 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, 2011 + ... + 5322.

It is an arithmetic number, because the mean of its divisors is an integer number (715065).

Almost surely, 2^12143448 is an apocalyptic number.

12143448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12143448 is an abundant number, since it is smaller than the sum of its proper divisors (22179672).

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

12143448 is a wasteful number, since it uses less digits than its factorization.

12143448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7368 (or 7361 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 12143448 is about 3484.7450408889. The cubic root of 12143448 is about 229.8514983420.

Adding to 12143448 its reverse (84434121), we get a palindrome (96577569).

The spelling of 12143448 in words is "twelve million, one hundred forty-three thousand, four hundred forty-eight".