1312775 has 6 divisors (see below), whose sum is σ = 1627872. Its totient is φ = 1050200.

The previous prime is 1312769. The next prime is 1312777. The reversal of 1312775 is 5772131.

It is not a de Polignac number, because 1312775 - 2¹⁴ = 1296391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26231 + ... + 26280.

It is an arithmetic number, because the mean of its divisors is an integer number (271312).

2^1312775 is an apocalyptic number.

1312775 is a deficient number, since it is larger than the sum of its proper divisors (315097).

1312775 is an equidigital number, since it uses as much as digits as its factorization.

1312775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52521 (or 52516 counting only the distinct ones).

The product of its digits is 1470, while the sum is 26.

The square root of 1312775 is about 1145.7639372925. The cubic root of 1312775 is about 109.4956247426.

The spelling of 1312775 in words is "one million, three hundred twelve thousand, seven hundred seventy-five".