1312568 has 8 divisors (see below), whose sum is σ = 2461080. Its totient is φ = 656280.

The previous prime is 1312567. The next prime is 1312579. The reversal of 1312568 is 8652131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82028 + ... + 82043.

It is an arithmetic number, because the mean of its divisors is an integer number (307635).

2^1312568 is an apocalyptic number.

It is an amenable number.

1312568 is a deficient number, since it is larger than the sum of its proper divisors (1148512).

1312568 is a wasteful number, since it uses less digits than its factorization.

1312568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164077 (or 164073 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 1312568 is about 1145.6736009876. The cubic root of 1312568 is about 109.4898693046.

Adding to 1312568 its reverse (8652131), we get a palindrome (9964699).

The spelling of 1312568 in words is "one million, three hundred twelve thousand, five hundred sixty-eight".