12884850 has 144 divisors (see below), whose sum is σ = 40042080. Its totient is φ = 2937600.

The previous prime is 12884849. The next prime is 12884857. The reversal of 12884850 is 5848821.

12884850 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×12884850⁴ (a number of 30 digits) contains 4444 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12884857) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 93982 + ... + 94118.

It is an arithmetic number, because the mean of its divisors is an integer number (278070).

Almost surely, 2^12884850 is an apocalyptic number.

12884850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12884850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20021040).

12884850 is an abundant number, since it is smaller than the sum of its proper divisors (27157230).

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

12884850 is a wasteful number, since it uses less digits than its factorization.

12884850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 12884850 is about 3589.5473252208. The cubic root of 12884850 is about 234.4371621782.

The spelling of 12884850 in words is "twelve million, eight hundred eighty-four thousand, eight hundred fifty".