1312397682 has 8 divisors (see below), whose sum is σ = 2624795376. Its totient is φ = 437465892.

The previous prime is 1312397663. The next prime is 1312397747. The reversal of 1312397682 is 2867932131.

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

1312397682 is an admirable number.

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, 109366468 + ... + 109366479.

It is an arithmetic number, because the mean of its divisors is an integer number (328099422).

Almost surely, 2^1312397682 is an apocalyptic number.

1312397682 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.

1312397682 is a wasteful number, since it uses less digits than its factorization.

1312397682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218732952.

The product of its digits is 108864, while the sum is 42.

The square root of 1312397682 is about 36227.0297153934. The cubic root of 1312397682 is about 1094.8513332079.

The spelling of 1312397682 in words is "one billion, three hundred twelve million, three hundred ninety-seven thousand, six hundred eighty-two".