1323313 has 4 divisors (see below), whose sum is σ = 1325680.
Its totient is φ = 1320948.
The previous prime is 1323307. The next prime is 1323319. The reversal of 1323313 is 3133231.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3133231 = 743 ⋅4217.
It is an interprime number because it is at equal distance from previous prime (1323307) and next prime (1323319).
It is a cyclic number.
It is not a de Polignac number, because 1323313 - 25 = 1323281 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1323319) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178 + ... + 1636.
It is an arithmetic number, because the mean of its divisors is an integer number (331420).
21323313 is an apocalyptic number.
It is an amenable number.
1323313 is a deficient number, since it is larger than the sum of its proper divisors (2367).
1323313 is an equidigital number, since it uses as much as digits as its factorization.
1323313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2366.
The product of its digits is 162, while the sum is 16.
The square root of 1323313 is about 1150.3534239528.
The cubic root of 1323313 is about 109.7878279324.
Adding to 1323313 its reverse (3133231), we get a palindrome (4456544).
The spelling of 1323313 in words is "one million, three hundred twenty-three thousand, three hundred thirteen".