12225929 has 2 divisors, whose sum is σ = 12225930. Its totient is φ = 12225928.

The previous prime is 12225923. The next prime is 12225937. The reversal of 12225929 is 92952221.

12225929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11235904 + 990025 = 3352^2 + 995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12225929 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12225895 and 12225904.

It is not a weakly prime, because it can be changed into another prime (12225923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6112964 + 6112965.

It is an arithmetic number, because the mean of its divisors is an integer number (6112965).

Almost surely, 2^12225929 is an apocalyptic number.

It is an amenable number.

12225929 is a deficient number, since it is larger than the sum of its proper divisors (1).

12225929 is an equidigital number, since it uses as much as digits as its factorization.

12225929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 32.

The square root of 12225929 is about 3496.5595948017. The cubic root of 12225929 is about 230.3707253769.

The spelling of 12225929 in words is "twelve million, two hundred twenty-five thousand, nine hundred twenty-nine".