1316969 has 4 divisors (see below), whose sum is σ = 1330644. Its totient is φ = 1303296.

The previous prime is 1316963. The next prime is 1316971. The reversal of 1316969 is 9696131.

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 1000000 + 316969 = 1000^2 + 563^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316969 - 2¹² = 1312873 is a prime.

It is a super-2 number, since 2×1316969² = 3468814693922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1316963) 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, 6692 + ... + 6885.

It is an arithmetic number, because the mean of its divisors is an integer number (332661).

2^1316969 is an apocalyptic number.

It is an amenable number.

1316969 is a deficient number, since it is larger than the sum of its proper divisors (13675).

1316969 is an equidigital number, since it uses as much as digits as its factorization.

1316969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13674.

The product of its digits is 8748, while the sum is 35.

The square root of 1316969 is about 1147.5926977809. The cubic root of 1316969 is about 109.6121048399.

The spelling of 1316969 in words is "one million, three hundred sixteen thousand, nine hundred sixty-nine".