213683 has 8 divisors (see below), whose sum is σ = 226176. Its totient is φ = 201600.

The previous prime is 213659. The next prime is 213713. The reversal of 213683 is 386312.

213683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 213683 - 2¹⁴ = 197299 is a prime.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 213683.

It is not an unprimeable number, because it can be changed into a prime (213613) 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, 1835 + ... + 1947.

It is an arithmetic number, because the mean of its divisors is an integer number (28272).

2²¹³⁶⁸³ is an apocalyptic number.

213683 is a deficient number, since it is larger than the sum of its proper divisors (12493).

213683 is a wasteful number, since it uses less digits than its factorization.

213683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205.

The product of its digits is 864, while the sum is 23.

The square root of 213683 is about 462.2585856423. The cubic root of 213683 is about 59.7846912562.

Adding to 213683 its reverse (386312), we get a palindrome (599995).

The spelling of 213683 in words is "two hundred thirteen thousand, six hundred eighty-three".