12803213 has 2 divisors, whose sum is σ = 12803214. Its totient is φ = 12803212.

The previous prime is 12803179. The next prime is 12803237. The reversal of 12803213 is 31230821.

12803213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10252804 + 2550409 = 3202^2 + 1597^2 .

It is an emirp because it is prime and its reverse (31230821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12803213 - 2¹⁶ = 12737677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12803243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6401606 + 6401607.

It is an arithmetic number, because the mean of its divisors is an integer number (6401607).

Almost surely, 2^12803213 is an apocalyptic number.

It is an amenable number.

12803213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12803213 is an equidigital number, since it uses as much as digits as its factorization.

12803213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12803213 is about 3578.1577662255. The cubic root of 12803213 is about 233.9409900633.

The spelling of 12803213 in words is "twelve million, eight hundred three thousand, two hundred thirteen".