12813833 has 2 divisors, whose sum is σ = 12813834. Its totient is φ = 12813832.

The previous prime is 12813791. The next prime is 12813839. The reversal of 12813833 is 33831821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8684809 + 4129024 = 2947^2 + 2032^2 .

It is a cyclic number.

It is not a de Polignac number, because 12813833 - 2¹⁸ = 12551689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12813796 and 12813805.

It is not a weakly prime, because it can be changed into another prime (12813839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6406916 + 6406917.

It is an arithmetic number, because the mean of its divisors is an integer number (6406917).

Almost surely, 2^12813833 is an apocalyptic number.

It is an amenable number.

12813833 is a deficient number, since it is larger than the sum of its proper divisors (1).

12813833 is an equidigital number, since it uses as much as digits as its factorization.

12813833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 12813833 is about 3579.6414624931. The cubic root of 12813833 is about 234.0056552557.

The spelling of 12813833 in words is "twelve million, eight hundred thirteen thousand, eight hundred thirty-three".