12543888 has 80 divisors (see below), whose sum is σ = 38072960. Its totient is φ = 3483648.

The previous prime is 12543887. The next prime is 12543893. The reversal of 12543888 is 88834521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12543887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11928 + ... + 12936.

It is an arithmetic number, because the mean of its divisors is an integer number (475912).

Almost surely, 2^12543888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12543888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19036480).

12543888 is an abundant number, since it is smaller than the sum of its proper divisors (25529072).

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

12543888 is a wasteful number, since it uses less digits than its factorization.

12543888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 1058 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The square root of 12543888 is about 3541.7351679650. The cubic root of 12543888 is about 232.3507378184.

It can be divided in two parts, 12543 and 888, that added together give a palindrome (13431).

The spelling of 12543888 in words is "twelve million, five hundred forty-three thousand, eight hundred eighty-eight".