447213 has 8 divisors (see below), whose sum is σ = 642208. Its totient is φ = 275184.

The previous prime is 447211. The next prime is 447217. The reversal of 447213 is 312744.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 447213 - 2¹ = 447211 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 447213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5695 + ... + 5772.

It is an arithmetic number, because the mean of its divisors is an integer number (80276).

2⁴⁴⁷²¹³ is an apocalyptic number.

It is an amenable number.

447213 is a deficient number, since it is larger than the sum of its proper divisors (194995).

447213 is a wasteful number, since it uses less digits than its factorization.

447213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11483.

The product of its digits is 672, while the sum is 21.

The square root of 447213 is about 668.7398597362. The cubic root of 447213 is about 76.4724151901.

Adding to 447213 its reverse (312744), we get a palindrome (759957).

The spelling of 447213 in words is "four hundred forty-seven thousand, two hundred thirteen".