13123313 has 4 divisors (see below), whose sum is σ = 14998080. Its totient is φ = 11248548.

The previous prime is 13123307. The next prime is 13123339. The reversal of 13123313 is 31332131.

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: 31332131 = 2087 ⋅15013.

It is a cyclic number.

It is not a de Polignac number, because 13123313 - 2⁶ = 13123249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13123291 and 13123300.

It is not an unprimeable number, because it can be changed into a prime (13123343) 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 in 3 ways as a sum of consecutive naturals, for example, 937373 + ... + 937386.

It is an arithmetic number, because the mean of its divisors is an integer number (3749520).

Almost surely, 2^13123313 is an apocalyptic number.

It is an amenable number.

13123313 is a deficient number, since it is larger than the sum of its proper divisors (1874767).

13123313 is an equidigital number, since it uses as much as digits as its factorization.

13123313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874766.

The product of its digits is 162, while the sum is 17.

The square root of 13123313 is about 3622.6113509456. The cubic root of 13123313 is about 235.8745922339.

Adding to 13123313 its reverse (31332131), we get a palindrome (44455444).

The spelling of 13123313 in words is "thirteen million, one hundred twenty-three thousand, three hundred thirteen".