12875328 has 56 divisors (see below), whose sum is σ = 37856160. Its totient is φ = 4291200.

The previous prime is 12875327. The next prime is 12875339. The reversal of 12875328 is 82357821.

It is a super-2 number, since 2×12875328² = 331548142215168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12875292 and 12875301.

It is not an unprimeable number, because it can be changed into a prime (12875327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1998 + ... + 5453.

Almost surely, 2^12875328 is an apocalyptic number.

12875328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12875328 is an abundant number, since it is smaller than the sum of its proper divisors (24980832).

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

12875328 is an equidigital number, since it uses as much as digits as its factorization.

12875328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7472 (or 7456 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 12875328 is about 3588.2207289965. The cubic root of 12875328 is about 234.3793976775.

It can be divided in two parts, 12875 and 328, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 12875328 in words is "twelve million, eight hundred seventy-five thousand, three hundred twenty-eight".