12886328 has 64 divisors (see below), whose sum is σ = 30750720. Its totient is φ = 4924800.

The previous prime is 12886327. The next prime is 12886337. The reversal of 12886328 is 82368821.

It is a junction number, because it is equal to n+sod(n) for n = 12886291 and 12886300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12886327) 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, 22283 + ... + 22853.

It is an arithmetic number, because the mean of its divisors is an integer number (480480).

Almost surely, 2^12886328 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 12886328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15375360).

12886328 is an abundant number, since it is smaller than the sum of its proper divisors (17864392).

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

12886328 is a wasteful number, since it uses less digits than its factorization.

12886328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 624 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 12886328 is about 3589.7531948589. The cubic root of 12886328 is about 234.4461258029.

The spelling of 12886328 in words is "twelve million, eight hundred eighty-six thousand, three hundred twenty-eight".