12543832 has 32 divisors (see below), whose sum is σ = 28051200. Its totient is φ = 5141664.

The previous prime is 12543823. The next prime is 12543833. The reversal of 12543832 is 23834521.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 12543832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12543833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3582 + ... + 6157.

It is an arithmetic number, because the mean of its divisors is an integer number (876600).

Almost surely, 2^12543832 is an apocalyptic number.

It is an amenable number.

12543832 is an abundant number, since it is smaller than the sum of its proper divisors (15507368).

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

12543832 is a wasteful number, since it uses less digits than its factorization.

12543832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9775 (or 9771 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 12543832 is about 3541.7272622267. The cubic root of 12543832 is about 232.3503920548.

The spelling of 12543832 in words is "twelve million, five hundred forty-three thousand, eight hundred thirty-two".