12543984 has 50 divisors (see below), whose sum is σ = 36309680. Its totient is φ = 4180896.

The previous prime is 12543967. The next prime is 12543989. The reversal of 12543984 is 48934521.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12543989) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3544 + ... + 6135.

Almost surely, 2^12543984 is an apocalyptic number.

It is an amenable number.

12543984 is an abundant number, since it is smaller than the sum of its proper divisors (23765696).

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

12543984 is an equidigital number, since it uses as much as digits as its factorization.

12543984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9699 (or 9684 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 12543984 is about 3541.7487206181. The cubic root of 12543984 is about 232.3513305536.

The spelling of 12543984 in words is "twelve million, five hundred forty-three thousand, nine hundred eighty-four".