12863868 has 24 divisors (see below), whose sum is σ = 30100560. Its totient is φ = 4275840.

The previous prime is 12863867. The next prime is 12863869. The reversal of 12863868 is 86836821.

It is an interprime number because it is at equal distance from previous prime (12863867) and next prime (12863869).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12863867) 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 7 ways as a sum of consecutive naturals, for example, 3598 + ... + 6218.

It is an arithmetic number, because the mean of its divisors is an integer number (1254190).

Almost surely, 2^12863868 is an apocalyptic number.

It is an amenable number.

12863868 is an abundant number, since it is smaller than the sum of its proper divisors (17236692).

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

12863868 is a wasteful number, since it uses less digits than its factorization.

12863868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037 (or 3035 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 12863868 is about 3586.6234817722. The cubic root of 12863868 is about 234.3098386676.

It can be divided in two parts, 12863 and 868, that added together give a palindrome (13731).

The spelling of 12863868 in words is "twelve million, eight hundred sixty-three thousand, eight hundred sixty-eight".