1316965 has 8 divisors (see below), whose sum is σ = 1702008. Its totient is φ = 972480.

The previous prime is 1316963. The next prime is 1316971. The reversal of 1316965 is 5696131.

It can be written as a sum of positive squares in 4 ways, for example, as 58081 + 1258884 = 241^2 + 1122^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1316965 - 2¹ = 1316963 is a prime.

It is a super-2 number, since 2×1316965² = 3468793622450, 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 (1316963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10066 + ... + 10195.

It is an arithmetic number, because the mean of its divisors is an integer number (212751).

2^1316965 is an apocalyptic number.

It is an amenable number.

1316965 is a deficient number, since it is larger than the sum of its proper divisors (385043).

1316965 is a wasteful number, since it uses less digits than its factorization.

1316965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20279.

The product of its digits is 4860, while the sum is 31.

The square root of 1316965 is about 1147.5909550010. The cubic root of 1316965 is about 109.6119938656.

The spelling of 1316965 in words is "one million, three hundred sixteen thousand, nine hundred sixty-five".