16028813 has 2 divisors, whose sum is σ = 16028814. Its totient is φ = 16028812.

The previous prime is 16028791. The next prime is 16028819. The reversal of 16028813 is 31882061.

16028813 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., 10259209 + 5769604 = 3203^2 + 2402^2 .

It is an emirp because it is prime and its reverse (31882061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16028813 - 2⁸ = 16028557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16028819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8014406 + 8014407.

It is an arithmetic number, because the mean of its divisors is an integer number (8014407).

Almost surely, 2^16028813 is an apocalyptic number.

It is an amenable number.

16028813 is a deficient number, since it is larger than the sum of its proper divisors (1).

16028813 is an equidigital number, since it uses as much as digits as its factorization.

16028813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 16028813 is about 4003.6000049955. The cubic root of 16028813 is about 252.1353780452.

The spelling of 16028813 in words is "sixteen million, twenty-eight thousand, eight hundred thirteen".