1213317 has 12 divisors (see below), whose sum is σ = 2003040. Its totient is φ = 693288.

The previous prime is 1213301. The next prime is 1213327. The reversal of 1213317 is 7133121.

It is not a de Polignac number, because 1213317 - 2⁴ = 1213301 is a prime.

1213317 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1213317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213327) 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, 9567 + ... + 9692.

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

2^1213317 is an apocalyptic number.

It is an amenable number.

1213317 is a deficient number, since it is larger than the sum of its proper divisors (789723).

1213317 is a wasteful number, since it uses less digits than its factorization.

1213317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19272 (or 19269 counting only the distinct ones).

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

The square root of 1213317 is about 1101.5066953950. The cubic root of 1213317 is about 106.6575068089.

Adding to 1213317 its reverse (7133121), we get a palindrome (8346438).

The spelling of 1213317 in words is "one million, two hundred thirteen thousand, three hundred seventeen".