12885000 has 80 divisors (see below), whose sum is σ = 40299600. Its totient is φ = 3432000.

The previous prime is 12884959. The next prime is 12885001. The reversal of 12885000 is 58821.

12885000 is nontrivially palindromic in base 7.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12885001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14571 + ... + 15429.

It is an arithmetic number, because the mean of its divisors is an integer number (503745).

Almost surely, 2^12885000 is an apocalyptic number.

12885000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12885000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20149800).

12885000 is an abundant number, since it is smaller than the sum of its proper divisors (27414600).

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

12885000 is an equidigital number, since it uses as much as digits as its factorization.

12885000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 12885000 is about 3589.5682191595. The cubic root of 12885000 is about 234.4380719143.

The spelling of 12885000 in words is "twelve million, eight hundred eighty-five thousand".