13345223 has 2 divisors, whose sum is σ = 13345224. Its totient is φ = 13345222.

The previous prime is 13345217. The next prime is 13345237. The reversal of 13345223 is 32254331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13345223 - 2⁴ = 13345207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13345253) 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, 6672611 + 6672612.

It is an arithmetic number, because the mean of its divisors is an integer number (6672612).

Almost surely, 2^13345223 is an apocalyptic number.

13345223 is a deficient number, since it is larger than the sum of its proper divisors (1).

13345223 is an equidigital number, since it uses as much as digits as its factorization.

13345223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 23.

The square root of 13345223 is about 3653.1114135761. Note that the first 3 decimals coincide. The cubic root of 13345223 is about 237.1966831519.

Adding to 13345223 its reverse (32254331), we get a palindrome (45599554).

The spelling of 13345223 in words is "thirteen million, three hundred forty-five thousand, two hundred twenty-three".