16775213 has 16 divisors (see below), whose sum is σ = 20904576. Its totient is φ = 13106880.

The previous prime is 16775201. The next prime is 16775219. The reversal of 16775213 is 31257761.

It is a cyclic number.

It is not a de Polignac number, because 16775213 - 2⁴ = 16775197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16775213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16775219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6443 + ... + 8663.

It is an arithmetic number, because the mean of its divisors is an integer number (1306536).

Almost surely, 2^16775213 is an apocalyptic number.

16775213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16775213 is a deficient number, since it is larger than the sum of its proper divisors (4129363).

16775213 is a wasteful number, since it uses less digits than its factorization.

16775213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324.

The product of its digits is 8820, while the sum is 32.

The square root of 16775213 is about 4095.7554858658. The cubic root of 16775213 is about 255.9898118097.

The spelling of 16775213 in words is "sixteen million, seven hundred seventy-five thousand, two hundred thirteen".