16793213 has 2 divisors, whose sum is σ = 16793214. Its totient is φ = 16793212.

The previous prime is 16793171. The next prime is 16793219. The reversal of 16793213 is 31239761.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15578809 + 1214404 = 3947^2 + 1102^2 .

It is a cyclic number.

It is not a de Polignac number, because 16793213 - 2²² = 12598909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16793213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16793219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8396606 + 8396607.

It is an arithmetic number, because the mean of its divisors is an integer number (8396607).

Almost surely, 2^16793213 is an apocalyptic number.

It is an amenable number.

16793213 is a deficient number, since it is larger than the sum of its proper divisors (1).

16793213 is an equidigital number, since it uses as much as digits as its factorization.

16793213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 32.

The square root of 16793213 is about 4097.9522935242. The cubic root of 16793213 is about 256.0813391029.

The spelling of 16793213 in words is "sixteen million, seven hundred ninety-three thousand, two hundred thirteen".