12305229 has 16 divisors (see below), whose sum is σ = 17573760. Its totient is φ = 7631360.

The previous prime is 12305221. The next prime is 12305231. The reversal of 12305229 is 92250321.

It is a cyclic number.

It is not a de Polignac number, because 12305229 - 2³ = 12305221 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12305199 and 12305208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12305221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3184 + ... + 5894.

It is an arithmetic number, because the mean of its divisors is an integer number (1098360).

Almost surely, 2^12305229 is an apocalyptic number.

It is an amenable number.

12305229 is a deficient number, since it is larger than the sum of its proper divisors (5268531).

12305229 is a wasteful number, since it uses less digits than its factorization.

12305229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820.

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

The square root of 12305229 is about 3507.8809842981. The cubic root of 12305229 is about 230.8677303530.

The spelling of 12305229 in words is "twelve million, three hundred five thousand, two hundred twenty-nine".