16874213 has 2 divisors, whose sum is σ = 16874214. Its totient is φ = 16874212.

The previous prime is 16874191. The next prime is 16874233. The reversal of 16874213 is 31247861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16785409 + 88804 = 4097^2 + 298^2 .

It is an emirp because it is prime and its reverse (31247861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16874213 - 2¹⁰ = 16873189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16874213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16874233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8437106 + 8437107.

It is an arithmetic number, because the mean of its divisors is an integer number (8437107).

Almost surely, 2^16874213 is an apocalyptic number.

It is an amenable number.

16874213 is a deficient number, since it is larger than the sum of its proper divisors (1).

16874213 is an equidigital number, since it uses as much as digits as its factorization.

16874213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 16874213 is about 4107.8233895824. The cubic root of 16874213 is about 256.4924045289.

The spelling of 16874213 in words is "sixteen million, eight hundred seventy-four thousand, two hundred thirteen".