1317223 has 2 divisors, whose sum is σ = 1317224. Its totient is φ = 1317222.

The previous prime is 1317193. The next prime is 1317227. The reversal of 1317223 is 3227131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1317223 - 2⁵ = 1317191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1317223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658611 + 658612.

It is an arithmetic number, because the mean of its divisors is an integer number (658612).

2^1317223 is an apocalyptic number.

1317223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317223 is an equidigital number, since it uses as much as digits as its factorization.

1317223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252, while the sum is 19.

The square root of 1317223 is about 1147.7033588868. The cubic root of 1317223 is about 109.6191512434.

It can be divided in two parts, 1317 and 223, that added together give a triangular number (1540 = T₅₅).

The spelling of 1317223 in words is "one million, three hundred seventeen thousand, two hundred twenty-three".