2133206 has 16 divisors (see below), whose sum is σ = 3418800. Its totient is φ = 995328.

The previous prime is 2133191. The next prime is 2133217. The reversal of 2133206 is 6023312.

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2390 + ... + 3158.

It is an arithmetic number, because the mean of its divisors is an integer number (213675).

2^2133206 is an apocalyptic number.

2133206 is a deficient number, since it is larger than the sum of its proper divisors (1285594).

2133206 is a wasteful number, since it uses less digits than its factorization.

2133206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2133206 is about 1460.5498964431. The cubic root of 2133206 is about 128.7293566677.

Adding to 2133206 its reverse (6023312), we get a palindrome (8156518).

The spelling of 2133206 in words is "two million, one hundred thirty-three thousand, two hundred six".