213306006 has 8 divisors (see below), whose sum is σ = 426612024. Its totient is φ = 71102000.

The previous prime is 213306001. The next prime is 213306013. The reversal of 213306006 is 600603312.

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

213306006 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213306001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17775495 + ... + 17775506.

It is an arithmetic number, because the mean of its divisors is an integer number (53326503).

Almost surely, 2^213306006 is an apocalyptic number.

213306006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213306006 is a wasteful number, since it uses less digits than its factorization.

213306006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35551006.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 213306006 is about 14604.9993495378. Note that the first 3 decimals coincide. The cubic root of 213306006 is about 597.4951182762.

Adding to 213306006 its reverse (600603312), we get a palindrome (813909318).

The spelling of 213306006 in words is "two hundred thirteen million, three hundred six thousand, six".