12205329 has 4 divisors (see below), whose sum is σ = 16273776. Its totient is φ = 8136884.

The previous prime is 12205327. The next prime is 12205343. The reversal of 12205329 is 92350221.

12205329 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12205329 - 2¹ = 12205327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12205299 and 12205308.

It is not an unprimeable number, because it can be changed into a prime (12205321) 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, 2034219 + ... + 2034224.

It is an arithmetic number, because the mean of its divisors is an integer number (4068444).

Almost surely, 2^12205329 is an apocalyptic number.

It is an amenable number.

12205329 is a deficient number, since it is larger than the sum of its proper divisors (4068447).

12205329 is an equidigital number, since it uses as much as digits as its factorization.

12205329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068446.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 12205329 is about 3493.6126001605. The cubic root of 12205329 is about 230.2412654174.

The spelling of 12205329 in words is "twelve million, two hundred five thousand, three hundred twenty-nine".