12328404 has 48 divisors (see below), whose sum is σ = 31933440. Its totient is φ = 3670240.

The previous prime is 12328403. The next prime is 12328411. The reversal of 12328404 is 40482321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12328403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6997 + ... + 8579.

It is an arithmetic number, because the mean of its divisors is an integer number (665280).

Almost surely, 2^12328404 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 12328404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15966720).

12328404 is an abundant number, since it is smaller than the sum of its proper divisors (19605036).

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

12328404 is a wasteful number, since it uses less digits than its factorization.

12328404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660 (or 1658 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 12328404 is about 3511.1827067243. The cubic root of 12328404 is about 231.0125740424.

The spelling of 12328404 in words is "twelve million, three hundred twenty-eight thousand, four hundred four".