12308832 has 72 divisors (see below), whose sum is σ = 35511840. Its totient is φ = 4043520.

The previous prime is 12308831. The next prime is 12308839. The reversal of 12308832 is 23880321.

12308832 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 12308796 and 12308805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12308831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22482 + ... + 23022.

It is an arithmetic number, because the mean of its divisors is an integer number (493220).

Almost surely, 2^12308832 is an apocalyptic number.

12308832 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 12308832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17755920).

12308832 is an abundant number, since it is smaller than the sum of its proper divisors (23203008).

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

12308832 is a wasteful number, since it uses less digits than its factorization.

12308832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 12308832 is about 3508.3945046132. The cubic root of 12308832 is about 230.8902610257.

The spelling of 12308832 in words is "twelve million, three hundred eight thousand, eight hundred thirty-two".