12862133 has 2 divisors, whose sum is σ = 12862134. Its totient is φ = 12862132.

The previous prime is 12862121. The next prime is 12862153. The reversal of 12862133 is 33126821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12376324 + 485809 = 3518^2 + 697^2 .

It is a cyclic number.

It is not a de Polignac number, because 12862133 - 2¹⁰ = 12861109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12862153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6431066 + 6431067.

It is an arithmetic number, because the mean of its divisors is an integer number (6431067).

Almost surely, 2^12862133 is an apocalyptic number.

It is an amenable number.

12862133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12862133 is an equidigital number, since it uses as much as digits as its factorization.

12862133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

The square root of 12862133 is about 3586.3816026742. The cubic root of 12862133 is about 234.2993041004.

Adding to 12862133 its reverse (33126821), we get a palindrome (45988954).

The spelling of 12862133 in words is "twelve million, eight hundred sixty-two thousand, one hundred thirty-three".