12843432 has 96 divisors (see below), whose sum is σ = 42120000. Its totient is φ = 3451392.

The previous prime is 12843421. The next prime is 12843451. The reversal of 12843432 is 23434821.

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

It is a junction number, because it is equal to n+sod(n) for n = 12843396 and 12843405.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7819 + ... + 9317.

It is an arithmetic number, because the mean of its divisors is an integer number (438750).

Almost surely, 2^12843432 is an apocalyptic number.

12843432 is a gapful number since it is divisible by the number (12) 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 12843432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21060000).

12843432 is an abundant number, since it is smaller than the sum of its proper divisors (29276568).

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

12843432 is a wasteful number, since it uses less digits than its factorization.

12843432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535 (or 1528 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 12843432 is about 3583.7734303385. The cubic root of 12843432 is about 234.1856952463.

The spelling of 12843432 in words is "twelve million, eight hundred forty-three thousand, four hundred thirty-two".