16213473 has 16 divisors (see below), whose sum is σ = 24082560. Its totient is φ = 10780848.

The previous prime is 16213433. The next prime is 16213481. The reversal of 16213473 is 37431261.

16213473 is a `hidden beast` number, since 1 + 621 + 34 + 7 + 3 = 666.

It is not a de Polignac number, because 16213473 - 2¹⁴ = 16197089 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16213433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17836 + ... + 18722.

It is an arithmetic number, because the mean of its divisors is an integer number (1505160).

Almost surely, 2^16213473 is an apocalyptic number.

It is an amenable number.

16213473 is a deficient number, since it is larger than the sum of its proper divisors (7869087).

16213473 is an equidigital number, since it uses as much as digits as its factorization.

16213473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573 (or 1567 counting only the distinct ones).

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

The square root of 16213473 is about 4026.5957085359. The cubic root of 16213473 is about 253.0999256369.

The spelling of 16213473 in words is "sixteen million, two hundred thirteen thousand, four hundred seventy-three".