1223313 has 16 divisors (see below), whose sum is σ = 2007936. Its totient is φ = 645120.

The previous prime is 1223311. The next prime is 1223323. The reversal of 1223313 is 3133221.

It is not a de Polignac number, because 1223313 - 2¹ = 1223311 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1223292 and 1223301.

It is not an unprimeable number, because it can be changed into a prime (1223311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1968 + ... + 2513.

It is an arithmetic number, because the mean of its divisors is an integer number (125496).

2^1223313 is an apocalyptic number.

1223313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1223313 is a deficient number, since it is larger than the sum of its proper divisors (784623).

1223313 is a wasteful number, since it uses less digits than its factorization.

1223313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4504.

The product of its digits is 108, while the sum is 15.

The square root of 1223313 is about 1106.0348095788. The cubic root of 1223313 is about 106.9496079714.

Adding to 1223313 its reverse (3133221), we get a palindrome (4356534).

It can be divided in two parts, 12233 and 13, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 1223313 in words is "one million, two hundred twenty-three thousand, three hundred thirteen".