13315223 has 2 divisors, whose sum is σ = 13315224. Its totient is φ = 13315222.

The previous prime is 13315193. The next prime is 13315249. The reversal of 13315223 is 32251331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13315223 - 2¹² = 13311127 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 13315195 and 13315204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13315123) 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 as a sum of consecutive naturals, namely, 6657611 + 6657612.

It is an arithmetic number, because the mean of its divisors is an integer number (6657612).

Almost surely, 2^13315223 is an apocalyptic number.

13315223 is a deficient number, since it is larger than the sum of its proper divisors (1).

13315223 is an equidigital number, since it uses as much as digits as its factorization.

13315223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 20.

The square root of 13315223 is about 3649.0030145233. The cubic root of 13315223 is about 237.0188107818.

Adding to 13315223 its reverse (32251331), we get a palindrome (45566554).

The spelling of 13315223 in words is "thirteen million, three hundred fifteen thousand, two hundred twenty-three".