1312652722 has 16 divisors (see below), whose sum is σ = 2092235832. Its totient is φ = 615516160.

The previous prime is 1312652713. The next prime is 1312652729. The reversal of 1312652722 is 2272562131.

It can be written as a sum of positive squares in 4 ways, for example, as 1300395721 + 12257001 = 36061^2 + 3501^2 .

It is not an unprimeable number, because it can be changed into a prime (1312652729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59143 + ... + 78250.

Almost surely, 2^1312652722 is an apocalyptic number.

1312652722 is a deficient number, since it is larger than the sum of its proper divisors (779583110).

1312652722 is a wasteful number, since it uses less digits than its factorization.

1312652722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137693.

The product of its digits is 10080, while the sum is 31.

The square root of 1312652722 is about 36230.5495680096. The cubic root of 1312652722 is about 1094.9222499232.

The spelling of 1312652722 in words is "one billion, three hundred twelve million, six hundred fifty-two thousand, seven hundred twenty-two".