1288316682 has 12 divisors (see below), whose sum is σ = 2791352850. Its totient is φ = 429438888.

The previous prime is 1288316611. The next prime is 1288316683. The reversal of 1288316682 is 2866138821.

It can be written as a sum of positive squares in only one way, i.e., 1203326721 + 84989961 = 34689^2 + 9219^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1288316683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35786557 + ... + 35786592.

Almost surely, 2^1288316682 is an apocalyptic number.

1288316682 is an abundant number, since it is smaller than the sum of its proper divisors (1503036168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1288316682 is a wasteful number, since it uses less digits than its factorization.

1288316682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71573157 (or 71573154 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 1288316682 is about 35893.1286181631. The cubic root of 1288316682 is about 1088.1135290314.

The spelling of 1288316682 in words is "one billion, two hundred eighty-eight million, three hundred sixteen thousand, six hundred eighty-two".