1306716530 has 32 divisors (see below), whose sum is σ = 2689666560. Its totient is φ = 447756480.

The previous prime is 1306716511. The next prime is 1306716533. The reversal of 1306716530 is 356176031.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1306716533) 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, 145511 + ... + 154229.

It is an arithmetic number, because the mean of its divisors is an integer number (84052080).

Almost surely, 2^1306716530 is an apocalyptic number.

1306716530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1306716530 is an abundant number, since it is smaller than the sum of its proper divisors (1382950030).

1306716530 is a wasteful number, since it uses less digits than its factorization.

1306716530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10874.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 1306716530 is about 36148.5342718069. The cubic root of 1306716530 is about 1093.2692381579.

The spelling of 1306716530 in words is "one billion, three hundred six million, seven hundred sixteen thousand, five hundred thirty".