12866010 has 64 divisors (see below), whose sum is σ = 32372352. Its totient is φ = 3269376.

The previous prime is 12865999. The next prime is 12866011. The reversal of 12866010 is 1066821.

It is not an unprimeable number, because it can be changed into a prime (12866011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74284 + ... + 74456.

It is an arithmetic number, because the mean of its divisors is an integer number (505818).

Almost surely, 2^12866010 is an apocalyptic number.

12866010 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 12866010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16186176).

12866010 is an abundant number, since it is smaller than the sum of its proper divisors (19506342).

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

12866010 is a wasteful number, since it uses less digits than its factorization.

12866010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 12866010 is about 3586.9220788860. The cubic root of 12866010 is about 234.3228431496.

The spelling of 12866010 in words is "twelve million, eight hundred sixty-six thousand, ten".