1312132756 has 24 divisors (see below), whose sum is σ = 2523013920. Its totient is φ = 592130400.

The previous prime is 1312132747. The next prime is 1312132763. The reversal of 1312132756 is 6572312131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101155 + ... + 113386.

It is an arithmetic number, because the mean of its divisors is an integer number (105125580).

Almost surely, 2^1312132756 is an apocalyptic number.

It is an amenable number.

1312132756 is a deficient number, since it is larger than the sum of its proper divisors (1210881164).

1312132756 is a wasteful number, since it uses less digits than its factorization.

1312132756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214695 (or 214693 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 1312132756 is about 36223.3730621542. The cubic root of 1312132756 is about 1094.7776578508. Note that the first 3 decimals are identical.

Adding to 1312132756 its reverse (6572312131), we get a palindrome (7884444887).

The spelling of 1312132756 in words is "one billion, three hundred twelve million, one hundred thirty-two thousand, seven hundred fifty-six".