1312711704 has 128 divisors (see below), whose sum is σ = 3764044800. Its totient is φ = 423688320.

The previous prime is 1312711703. The next prime is 1312711711. The reversal of 1312711704 is 4071172131.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312711703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 882049 + ... + 883535.

It is an arithmetic number, because the mean of its divisors is an integer number (29406600).

Almost surely, 2^1312711704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312711704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1882022400).

1312711704 is an abundant number, since it is smaller than the sum of its proper divisors (2451333096).

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

1312711704 is a wasteful number, since it uses less digits than its factorization.

1312711704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 1312711704 is about 36231.3635404466. The cubic root of 1312711704 is about 1094.9386492180.

Adding to 1312711704 its reverse (4071172131), we get a palindrome (5383883835).

The spelling of 1312711704 in words is "one billion, three hundred twelve million, seven hundred eleven thousand, seven hundred four".