12868236 has 36 divisors (see below), whose sum is σ = 32760000. Its totient is φ = 4258848.

The previous prime is 12868217. The next prime is 12868283. The reversal of 12868236 is 63286821.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 12868236.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4165 + ... + 6563.

It is an arithmetic number, because the mean of its divisors is an integer number (910000).

Almost surely, 2^12868236 is an apocalyptic number.

It is an amenable number.

12868236 is an abundant number, since it is smaller than the sum of its proper divisors (19891764).

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

12868236 is a wasteful number, since it uses less digits than its factorization.

12868236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558 (or 2553 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 12868236 is about 3587.2323593545. The cubic root of 12868236 is about 234.3363560820.

The spelling of 12868236 in words is "twelve million, eight hundred sixty-eight thousand, two hundred thirty-six".