12307268 has 6 divisors (see below), whose sum is σ = 21537726. Its totient is φ = 6153632.

The previous prime is 12307261. The next prime is 12307271. The reversal of 12307268 is 86270321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12264004 + 43264 = 3502^2 + 208^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12307268.

It is not an unprimeable number, because it can be changed into a prime (12307261) 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 as a sum of consecutive naturals, namely, 1538405 + ... + 1538412.

It is an arithmetic number, because the mean of its divisors is an integer number (3589621).

Almost surely, 2^12307268 is an apocalyptic number.

It is an amenable number.

12307268 is a deficient number, since it is larger than the sum of its proper divisors (9230458).

12307268 is a wasteful number, since it uses less digits than its factorization.

12307268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076821 (or 3076819 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 12307268 is about 3508.1716035565. The cubic root of 12307268 is about 230.8804813904.

Adding to 12307268 its reverse (86270321), we get a palindrome (98577589).

The spelling of 12307268 in words is "twelve million, three hundred seven thousand, two hundred sixty-eight".