1312265 has 8 divisors (see below), whose sum is σ = 1643328. Its totient is φ = 1004080.

The previous prime is 1312237. The next prime is 1312277. The reversal of 1312265 is 5622131.

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

It is not a de Polignac number, because 1312265 - 2¹⁰ = 1311241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5591 + ... + 5820.

It is an arithmetic number, because the mean of its divisors is an integer number (205416).

2^1312265 is an apocalyptic number.

It is an amenable number.

1312265 is a deficient number, since it is larger than the sum of its proper divisors (331063).

1312265 is a wasteful number, since it uses less digits than its factorization.

1312265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11439.

The product of its digits is 360, while the sum is 20.

The square root of 1312265 is about 1145.5413567392. The cubic root of 1312265 is about 109.4814435865.

Adding to 1312265 its reverse (5622131), we get a palindrome (6934396).

The spelling of 1312265 in words is "one million, three hundred twelve thousand, two hundred sixty-five".