16473213 has 28 divisors (see below), whose sum is σ = 25182720. Its totient is φ = 10767816.

The previous prime is 16473211. The next prime is 16473217. The reversal of 16473213 is 31237461.

16473213 is a `hidden beast` number, since 1 + 647 + 3 + 2 + 13 = 666.

It is not a de Polignac number, because 16473213 - 2¹ = 16473211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16473211) 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 27 ways as a sum of consecutive naturals, for example, 42820 + ... + 43202.

Almost surely, 2^16473213 is an apocalyptic number.

It is an amenable number.

16473213 is a deficient number, since it is larger than the sum of its proper divisors (8709507).

16473213 is an frugal number, since it uses more digits than its factorization.

16473213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 445 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 16473213 is about 4058.7206112271. The cubic root of 16473213 is about 254.4443263364. Note that the first 3 decimals are identical.

The spelling of 16473213 in words is "sixteen million, four hundred seventy-three thousand, two hundred thirteen".