1312747017 has 16 divisors (see below), whose sum is σ = 1758290688. Its totient is φ = 871194240.

The previous prime is 1312746971. The next prime is 1312747091. The reversal of 1312747017 is 7107472131.

It is not a de Polignac number, because 1312747017 - 2²³ = 1304358409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312747217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1065792 + ... + 1067022.

It is an arithmetic number, because the mean of its divisors is an integer number (109893168).

Almost surely, 2^1312747017 is an apocalyptic number.

It is an amenable number.

1312747017 is a deficient number, since it is larger than the sum of its proper divisors (445543671).

1312747017 is a wasteful number, since it uses less digits than its factorization.

1312747017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560.

The product of its (nonzero) digits is 8232, while the sum is 33.

The square root of 1312747017 is about 36231.8508635703. The cubic root of 1312747017 is about 1094.9484673732.

The spelling of 1312747017 in words is "one billion, three hundred twelve million, seven hundred forty-seven thousand, seventeen".