1223306 has 16 divisors (see below), whose sum is σ = 2134080. Its totient is φ = 515040.

The previous prime is 1223281. The next prime is 1223309. The reversal of 1223306 is 6033221.

It is a zygodrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (1223309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86 + ... + 1566.

It is an arithmetic number, because the mean of its divisors is an integer number (133380).

2^1223306 is an apocalyptic number.

1223306 is a deficient number, since it is larger than the sum of its proper divisors (910774).

1223306 is a wasteful number, since it uses less digits than its factorization.

1223306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1223306 is about 1106.0316451169. The cubic root of 1223306 is about 106.9494039766.

Adding to 1223306 its reverse (6033221), we get a palindrome (7256527).

The spelling of 1223306 in words is "one million, two hundred twenty-three thousand, three hundred six".