1312465 has 24 divisors (see below), whose sum is σ = 2002752. Its totient is φ = 816480.

The previous prime is 1312459. The next prime is 1312471. The reversal of 1312465 is 5642131.

It is an interprime number because it is at equal distance from previous prime (1312459) and next prime (1312471).

It is not a de Polignac number, because 1312465 - 2¹¹ = 1310417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2452 + ... + 2938.

It is an arithmetic number, because the mean of its divisors is an integer number (83448).

2^1312465 is an apocalyptic number.

It is an amenable number.

1312465 is a deficient number, since it is larger than the sum of its proper divisors (690287).

1312465 is a wasteful number, since it uses less digits than its factorization.

1312465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 510 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 1312465 is about 1145.6286483848. The cubic root of 1312465 is about 109.4870052621.

Adding to 1312465 its reverse (5642131), we get a palindrome (6954596).

The spelling of 1312465 in words is "one million, three hundred twelve thousand, four hundred sixty-five".