13313223 has 24 divisors (see below), whose sum is σ = 23976576. Its totient is φ = 6915600.

The previous prime is 13313221. The next prime is 13313257. The reversal of 13313223 is 32231331.

13313223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13313223 - 2¹ = 13313221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13313196 and 13313205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8913 + ... + 10298.

It is an arithmetic number, because the mean of its divisors is an integer number (999024).

Almost surely, 2^13313223 is an apocalyptic number.

13313223 is a deficient number, since it is larger than the sum of its proper divisors (10663353).

13313223 is a wasteful number, since it uses less digits than its factorization.

13313223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19235 (or 19232 counting only the distinct ones).

The product of its digits is 324, while the sum is 18.

The square root of 13313223 is about 3648.7289567739. The cubic root of 13313223 is about 237.0069431283.

Adding to 13313223 its reverse (32231331), we get a palindrome (45544554).

It can be divided in two parts, 1331 and 3223, that added together give a palindrome (4554).

The spelling of 13313223 in words is "thirteen million, three hundred thirteen thousand, two hundred twenty-three".