12851328 has 96 divisors (see below), whose sum is σ = 39767760. Its totient is φ = 3666432.

The previous prime is 12851323. The next prime is 12851339. The reversal of 12851328 is 82315821.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 12851295 and 12851304.

It is not an unprimeable number, because it can be changed into a prime (12851323) 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, 18475 + ... + 19157.

Almost surely, 2^12851328 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 12851328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19883880).

12851328 is an abundant number, since it is smaller than the sum of its proper divisors (26916432).

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

12851328 is an equidigital number, since it uses as much as digits as its factorization.

12851328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 695 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 12851328 is about 3584.8748932145. The cubic root of 12851328 is about 234.2336770069.

The spelling of 12851328 in words is "twelve million, eight hundred fifty-one thousand, three hundred twenty-eight".