12252305 has 16 divisors (see below), whose sum is σ = 15921360. Its totient is φ = 8997888.

The previous prime is 12252301. The next prime is 12252319. The reversal of 12252305 is 50325221.

It can be written as a sum of positive squares in 8 ways, for example, as 528529 + 11723776 = 727^2 + 3424^2 .

It is a cyclic number.

It is not a de Polignac number, because 12252305 - 2² = 12252301 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12252301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14741 + ... + 15549.

It is an arithmetic number, because the mean of its divisors is an integer number (995085).

Almost surely, 2^12252305 is an apocalyptic number.

It is an amenable number.

12252305 is a deficient number, since it is larger than the sum of its proper divisors (3669055).

12252305 is a wasteful number, since it uses less digits than its factorization.

12252305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 12252305 is about 3500.3292702259. The cubic root of 12252305 is about 230.5362722753.

Adding to 12252305 its reverse (50325221), we get a palindrome (62577526).

The spelling of 12252305 in words is "twelve million, two hundred fifty-two thousand, three hundred five".