1315747 has 2 divisors, whose sum is σ = 1315748. Its totient is φ = 1315746.

The previous prime is 1315729. The next prime is 1315771. The reversal of 1315747 is 7475131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1315747 - 2¹¹ = 1313699 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657873 + 657874.

It is an arithmetic number, because the mean of its divisors is an integer number (657874).

2^1315747 is an apocalyptic number.

1315747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315747 is an equidigital number, since it uses as much as digits as its factorization.

1315747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2940, while the sum is 28.

The square root of 1315747 is about 1147.0601553537. The cubic root of 1315747 is about 109.5781917555.

The spelling of 1315747 in words is "one million, three hundred fifteen thousand, seven hundred forty-seven".