1317373 has 4 divisors (see below), whose sum is σ = 1320028. Its totient is φ = 1314720.

The previous prime is 1317361. The next prime is 1317377. The reversal of 1317373 is 3737131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1006009 + 311364 = 1003^2 + 558^2 .

It is a cyclic number.

It is not a de Polignac number, because 1317373 - 2¹³ = 1309181 is a prime.

It is a super-2 number, since 2×1317373² = 3470943242258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336 + ... + 1657.

It is an arithmetic number, because the mean of its divisors is an integer number (330007).

2^1317373 is an apocalyptic number.

It is an amenable number.

1317373 is a deficient number, since it is larger than the sum of its proper divisors (2655).

1317373 is an equidigital number, since it uses as much as digits as its factorization.

1317373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654.

The product of its digits is 1323, while the sum is 25.

The square root of 1317373 is about 1147.7687049227. The cubic root of 1317373 is about 109.6233120799.

The spelling of 1317373 in words is "one million, three hundred seventeen thousand, three hundred seventy-three".