12868830 has 96 divisors (see below), whose sum is σ = 38211264. Its totient is φ = 2976768.

The previous prime is 12868829. The next prime is 12868841. The reversal of 12868830 is 3886821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19567 + ... + 20213.

It is an arithmetic number, because the mean of its divisors is an integer number (398034).

Almost surely, 2^12868830 is an apocalyptic number.

12868830 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 12868830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19105632).

12868830 is an abundant number, since it is smaller than the sum of its proper divisors (25342434).

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

12868830 is a wasteful number, since it uses less digits than its factorization.

12868830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 12868830 is about 3587.3151520322. The cubic root of 12868830 is about 234.3399616955.

Subtracting from 12868830 its reverse (3886821), we obtain a square (8982009 = 2997²).

The spelling of 12868830 in words is "twelve million, eight hundred sixty-eight thousand, eight hundred thirty".