1325979712 has 28 divisors (see below), whose sum is σ = 2657305836. Its totient is φ = 656422400.

The previous prime is 1325979703. The next prime is 1325979713. The reversal of 1325979712 is 2179795231.

It can be written as a sum of positive squares in 2 ways, for example, as 900960256 + 425019456 = 30016^2 + 20616^2 .

It is not an unprimeable number, because it can be changed into a prime (1325979713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96103 + ... + 109030.

Almost surely, 2^1325979712 is an apocalyptic number.

It is an amenable number.

1325979712 is an abundant number, since it is smaller than the sum of its proper divisors (1331326124).

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

1325979712 is a wasteful number, since it uses less digits than its factorization.

1325979712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205246 (or 205236 counting only the distinct ones).

The product of its digits is 238140, while the sum is 46.

The square root of 1325979712 is about 36414.0043389902. The cubic root of 1325979712 is about 1098.6152580914.

The spelling of 1325979712 in words is "one billion, three hundred twenty-five million, nine hundred seventy-nine thousand, seven hundred twelve".