12868245 has 24 divisors (see below), whose sum is σ = 24021816. Its totient is φ = 6334848.

The previous prime is 12868217. The next prime is 12868283. The reversal of 12868245 is 54286821.

It can be written as a sum of positive squares in 4 ways, for example, as 527076 + 12341169 = 726^2 + 3513^2 .

It is not a de Polignac number, because 12868245 - 2⁶ = 12868181 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 10414 + ... + 11583.

It is an arithmetic number, because the mean of its divisors is an integer number (1000909).

Almost surely, 2^12868245 is an apocalyptic number.

12868245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12868245 is a deficient number, since it is larger than the sum of its proper divisors (11153571).

12868245 is a wasteful number, since it uses less digits than its factorization.

12868245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22021 (or 22018 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 12868245 is about 3587.2336138033. The cubic root of 12868245 is about 234.3364107134.

The spelling of 12868245 in words is "twelve million, eight hundred sixty-eight thousand, two hundred forty-five".