12868308 has 48 divisors (see below), whose sum is σ = 33797120. Its totient is φ = 4286520.

The previous prime is 12868307. The next prime is 12868319. The reversal of 12868308 is 80386821.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12868307) 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 15 ways as a sum of consecutive naturals, for example, 8013 + ... + 9483.

Almost surely, 2^12868308 is an apocalyptic number.

12868308 is a gapful number since it is divisible by the number (18) 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 12868308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16898560).

12868308 is an abundant number, since it is smaller than the sum of its proper divisors (20928812).

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

12868308 is an equidigital number, since it uses as much as digits as its factorization.

12868308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496 (or 1476 counting only the distinct ones).

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

The square root of 12868308 is about 3587.2423949324. The cubic root of 12868308 is about 234.3367931320.

The spelling of 12868308 in words is "twelve million, eight hundred sixty-eight thousand, three hundred eight".