1347321047 has 2 divisors, whose sum is σ = 1347321048. Its totient is φ = 1347321046.

The previous prime is 1347321037. The next prime is 1347321089. The reversal of 1347321047 is 7401237431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1347321047 - 2¹⁴ = 1347304663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1347321037) 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 as a sum of consecutive naturals, namely, 673660523 + 673660524.

It is an arithmetic number, because the mean of its divisors is an integer number (673660524).

Almost surely, 2^1347321047 is an apocalyptic number.

1347321047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1347321047 is an equidigital number, since it uses as much as digits as its factorization.

1347321047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 1347321047 is about 36705.8721051551. The cubic root of 1347321047 is about 1104.4779027241.

Adding to 1347321047 its reverse (7401237431), we get a palindrome (8748558478).

The spelling of 1347321047 in words is "one billion, three hundred forty-seven million, three hundred twenty-one thousand, forty-seven".