1288313682 has 8 divisors (see below), whose sum is σ = 2576627376. Its totient is φ = 429437892.

The previous prime is 1288313671. The next prime is 1288313687. The reversal of 1288313682 is 2863138821.

It is a sphenic number, since it is the product of 3 distinct primes.

1288313682 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1288313687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107359468 + ... + 107359479.

It is an arithmetic number, because the mean of its divisors is an integer number (322078422).

Almost surely, 2^1288313682 is an apocalyptic number.

1288313682 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1288313682 is a wasteful number, since it uses less digits than its factorization.

1288313682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214718952.

The product of its digits is 110592, while the sum is 42.

The square root of 1288313682 is about 35893.0868274101. The cubic root of 1288313682 is about 1088.1126844298.

It can be divided in two parts, 12883 and 13682, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 1288313682 in words is "one billion, two hundred eighty-eight million, three hundred thirteen thousand, six hundred eighty-two".