12229313 has 2 divisors, whose sum is σ = 12229314. Its totient is φ = 12229312.

The previous prime is 12229289. The next prime is 12229319. The reversal of 12229313 is 31392221.

12229313 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7463824 + 4765489 = 2732^2 + 2183^2 .

It is a cyclic number.

It is not a de Polignac number, because 12229313 - 2¹⁰ = 12228289 is a prime.

It is not a weakly prime, because it can be changed into another prime (12229319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6114656 + 6114657.

It is an arithmetic number, because the mean of its divisors is an integer number (6114657).

Almost surely, 2^12229313 is an apocalyptic number.

It is an amenable number.

12229313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12229313 is an equidigital number, since it uses as much as digits as its factorization.

12229313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 23.

The square root of 12229313 is about 3497.0434655577. The cubic root of 12229313 is about 230.3919780937.

The spelling of 12229313 in words is "twelve million, two hundred twenty-nine thousand, three hundred thirteen".