612206 has 12 divisors (see below), whose sum is σ = 1068408. Its totient is φ = 262332.

The previous prime is 612193. The next prime is 612217. The reversal of 612206 is 602216.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 612206.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3026 + ... + 3221.

It is an arithmetic number, because the mean of its divisors is an integer number (89034).

2⁶¹²²⁰⁶ is an apocalyptic number.

612206 is a deficient number, since it is larger than the sum of its proper divisors (456202).

612206 is a wasteful number, since it uses less digits than its factorization.

612206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6263 (or 6256 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 612206 is about 782.4359398698. The cubic root of 612206 is about 84.9113724434.

It can be divided in two parts, 612 and 206, that added together give a palindrome (818).

The spelling of 612206 in words is "six hundred twelve thousand, two hundred six".