12305273 has 2 divisors, whose sum is σ = 12305274. Its totient is φ = 12305272.

The previous prime is 12305261. The next prime is 12305311. The reversal of 12305273 is 37250321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12166144 + 139129 = 3488^2 + 373^2 .

It is a cyclic number.

It is not a de Polignac number, because 12305273 - 2⁸ = 12305017 is a prime.

It is not a weakly prime, because it can be changed into another prime (12305213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6152636 + 6152637.

It is an arithmetic number, because the mean of its divisors is an integer number (6152637).

Almost surely, 2^12305273 is an apocalyptic number.

It is an amenable number.

12305273 is a deficient number, since it is larger than the sum of its proper divisors (1).

12305273 is an equidigital number, since it uses as much as digits as its factorization.

12305273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 12305273 is about 3507.8872558849. The cubic root of 12305273 is about 230.8680055251.

Adding to 12305273 its reverse (37250321), we get a palindrome (49555594).

The spelling of 12305273 in words is "twelve million, three hundred five thousand, two hundred seventy-three".