12868241 has 4 divisors (see below), whose sum is σ = 13111092. Its totient is φ = 12625392.

The previous prime is 12868217. The next prime is 12868283. The reversal of 12868241 is 14286821.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8288641 + 4579600 = 2879^2 + 2140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12868241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12868198 and 12868207.

It is not an unprimeable number, because it can be changed into a prime (12868211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121346 + ... + 121451.

It is an arithmetic number, because the mean of its divisors is an integer number (3277773).

Almost surely, 2^12868241 is an apocalyptic number.

It is an amenable number.

12868241 is a deficient number, since it is larger than the sum of its proper divisors (242851).

12868241 is an equidigital number, since it uses as much as digits as its factorization.

12868241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242850.

The product of its digits is 6144, while the sum is 32.

The square root of 12868241 is about 3587.2330562705. The cubic root of 12868241 is about 234.3363864328.

The spelling of 12868241 in words is "twelve million, eight hundred sixty-eight thousand, two hundred forty-one".