1286316716 has 12 divisors (see below), whose sum is σ = 2252882688. Its totient is φ = 642635952.

The previous prime is 1286316673. The next prime is 1286316737. The reversal of 1286316716 is 6176136821.

It is a super-2 number, since 2×1286316716² = 3309221387722049312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125036 + ... + 134931.

It is an arithmetic number, because the mean of its divisors is an integer number (187740224).

Almost surely, 2^1286316716 is an apocalyptic number.

It is an amenable number.

1286316716 is a deficient number, since it is larger than the sum of its proper divisors (966565972).

1286316716 is a wasteful number, since it uses less digits than its factorization.

1286316716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261208 (or 261206 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 1286316716 is about 35865.2577852160. The cubic root of 1286316716 is about 1087.5501796725.

The spelling of 1286316716 in words is "one billion, two hundred eighty-six million, three hundred sixteen thousand, seven hundred sixteen".