1317213 has 12 divisors (see below), whose sum is σ = 2003040. Its totient is φ = 831816.

The previous prime is 1317193. The next prime is 1317223. The reversal of 1317213 is 3127131.

It is not a de Polignac number, because 1317213 - 2¹⁴ = 1300829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3681 + ... + 4022.

It is an arithmetic number, because the mean of its divisors is an integer number (166920).

2^1317213 is an apocalyptic number.

It is an amenable number.

1317213 is a deficient number, since it is larger than the sum of its proper divisors (685827).

1317213 is a wasteful number, since it uses less digits than its factorization.

1317213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7728 (or 7725 counting only the distinct ones).

The product of its digits is 126, while the sum is 18.

The square root of 1317213 is about 1147.6990023521. The cubic root of 1317213 is about 109.6188738430.

The spelling of 1317213 in words is "one million, three hundred seventeen thousand, two hundred thirteen".