1313065 has 8 divisors (see below), whose sum is σ = 1696968. Its totient is φ = 969600.

The previous prime is 1313057. The next prime is 1313069. The reversal of 1313065 is 5603131.

It can be written as a sum of positive squares in 4 ways, for example, as 87616 + 1225449 = 296^2 + 1107^2 .

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

It is not a de Polignac number, because 1313065 - 2³ = 1313057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10036 + ... + 10165.

It is an arithmetic number, because the mean of its divisors is an integer number (212121).

2^1313065 is an apocalyptic number.

It is an amenable number.

1313065 is a deficient number, since it is larger than the sum of its proper divisors (383903).

1313065 is a wasteful number, since it uses less digits than its factorization.

1313065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20219.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1313065 is about 1145.8904834233. The cubic root of 1313065 is about 109.5036868993.

Adding to 1313065 its reverse (5603131), we get a palindrome (6916196).

The spelling of 1313065 in words is "one million, three hundred thirteen thousand, sixty-five".