12862849 has 2 divisors, whose sum is σ = 12862850. Its totient is φ = 12862848.

The previous prime is 12862847. The next prime is 12862873. The reversal of 12862849 is 94826821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10080625 + 2782224 = 3175^2 + 1668^2 .

It is a cyclic number.

It is not a de Polignac number, because 12862849 - 2¹ = 12862847 is a prime.

Together with 12862847, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12862847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6431424 + 6431425.

It is an arithmetic number, because the mean of its divisors is an integer number (6431425).

Almost surely, 2^12862849 is an apocalyptic number.

It is an amenable number.

12862849 is a deficient number, since it is larger than the sum of its proper divisors (1).

12862849 is an equidigital number, since it uses as much as digits as its factorization.

12862849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 40.

The square root of 12862849 is about 3586.4814233452. The cubic root of 12862849 is about 234.3036516216.

The spelling of 12862849 in words is "twelve million, eight hundred sixty-two thousand, eight hundred forty-nine".