12328536 has 128 divisors (see below), whose sum is σ = 37013760. Its totient is φ = 3379200.

The previous prime is 12328531. The next prime is 12328543. The reversal of 12328536 is 63582321.

12328536 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (12328531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183975 + ... + 184041.

It is an arithmetic number, because the mean of its divisors is an integer number (289170).

Almost surely, 2^12328536 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 12328536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18506880).

12328536 is an abundant number, since it is smaller than the sum of its proper divisors (24685224).

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

12328536 is a wasteful number, since it uses less digits than its factorization.

12328536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 141 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 12328536 is about 3511.2015037591. The cubic root of 12328536 is about 231.0133985220.

It can be divided in two parts, 123285 and 36, that added together give a palindrome (123321).

The spelling of 12328536 in words is "twelve million, three hundred twenty-eight thousand, five hundred thirty-six".