12143824 has 40 divisors (see below), whose sum is σ = 29337408. Its totient is φ = 4730880.

The previous prime is 12143809. The next prime is 12143843. The reversal of 12143824 is 42834121.

It is a super-2 number, since 2×12143824² = 294944922685952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3697 + ... + 6160.

Almost surely, 2^12143824 is an apocalyptic number.

12143824 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12143824 is an abundant number, since it is smaller than the sum of its proper divisors (17193584).

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

12143824 is a wasteful number, since it uses less digits than its factorization.

12143824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9883 (or 9877 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 12143824 is about 3484.7989898988. The cubic root of 12143824 is about 229.8538706301.

Adding to 12143824 its reverse (42834121), we get a palindrome (54977945).

The spelling of 12143824 in words is "twelve million, one hundred forty-three thousand, eight hundred twenty-four".