1312208716 has 48 divisors (see below), whose sum is σ = 2992562496. Its totient is φ = 488577024.

The previous prime is 1312208713. The next prime is 1312208749. The reversal of 1312208716 is 6178022131.

It is not an unprimeable number, because it can be changed into a prime (1312208713) 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, 99841 + ... + 112216.

It is an arithmetic number, because the mean of its divisors is an integer number (62345052).

Almost surely, 2^1312208716 is an apocalyptic number.

It is an amenable number.

1312208716 is an abundant number, since it is smaller than the sum of its proper divisors (1680353780).

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

1312208716 is a wasteful number, since it uses less digits than its factorization.

1312208716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212098 (or 212096 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1312208716 is about 36224.4215412752. The cubic root of 1312208716 is about 1094.7987831792.

The spelling of 1312208716 in words is "one billion, three hundred twelve million, two hundred eight thousand, seven hundred sixteen".