1319317 has 4 divisors (see below), whose sum is σ = 1322496. Its totient is φ = 1316140.

The previous prime is 1319293. The next prime is 1319321. The reversal of 1319317 is 7139131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7139131 = 23 ⋅310397.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1319317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1319291 and 1319300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1319377) 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, 853 + ... + 1834.

It is an arithmetic number, because the mean of its divisors is an integer number (330624).

2^1319317 is an apocalyptic number.

It is an amenable number.

1319317 is a deficient number, since it is larger than the sum of its proper divisors (3179).

1319317 is an equidigital number, since it uses as much as digits as its factorization.

1319317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178.

The product of its digits is 567, while the sum is 25.

The square root of 1319317 is about 1148.6152532506. The cubic root of 1319317 is about 109.6772079720.

The spelling of 1319317 in words is "one million, three hundred nineteen thousand, three hundred seventeen".