12052206 has 32 divisors (see below), whose sum is σ = 26906880. Its totient is φ = 3998808.

The previous prime is 12052199. The next prime is 12052219. The reversal of 12052206 is 60225021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16215 + ... + 16941.

It is an arithmetic number, because the mean of its divisors is an integer number (840840).

Almost surely, 2^12052206 is an apocalyptic number.

12052206 is an abundant number, since it is smaller than the sum of its proper divisors (14854674).

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

12052206 is a wasteful number, since it uses less digits than its factorization.

12052206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12052206 is about 3471.6287243886. The cubic root of 12052206 is about 229.2743734955.

Adding to 12052206 its reverse (60225021), we get a palindrome (72277227).

It can be divided in two parts, 120 and 52206, that added together give a triangular number (52326 = T₃₂₃).

The spelling of 12052206 in words is "twelve million, fifty-two thousand, two hundred six".