12205652 has 12 divisors (see below), whose sum is σ = 21480480. Its totient is φ = 6068376.

The previous prime is 12205649. The next prime is 12205691. The reversal of 12205652 is 25650221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7808 + ... + 9239.

It is an arithmetic number, because the mean of its divisors is an integer number (1790040).

Almost surely, 2^12205652 is an apocalyptic number.

It is an amenable number.

12205652 is a deficient number, since it is larger than the sum of its proper divisors (9274828).

12205652 is a wasteful number, since it uses less digits than its factorization.

12205652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17230 (or 17228 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 12205652 is about 3493.6588270751. The cubic root of 12205652 is about 230.2432964230.

Adding to 12205652 its reverse (25650221), we get a palindrome (37855873).

The spelling of 12205652 in words is "twelve million, two hundred five thousand, six hundred fifty-two".