12263312 has 10 divisors (see below), whose sum is σ = 23760198. Its totient is φ = 6131648.

The previous prime is 12263297. The next prime is 12263323. The reversal of 12263312 is 21336221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10784656 + 1478656 = 3284^2 + 1216^2 .

It is a zygodrome in base 5.

It is an unprimeable number.

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, 383213 + ... + 383244.

Almost surely, 2^12263312 is an apocalyptic number.

It is an amenable number.

12263312 is a deficient number, since it is larger than the sum of its proper divisors (11496886).

12263312 is an equidigital number, since it uses as much as digits as its factorization.

12263312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766465 (or 766459 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 12263312 is about 3501.9011979209. The cubic root of 12263312 is about 230.6052865889.

Adding to 12263312 its reverse (21336221), we get a palindrome (33599533).

The spelling of 12263312 in words is "twelve million, two hundred sixty-three thousand, three hundred twelve".