1327291012 has 12 divisors (see below), whose sum is σ = 2332015056. Its totient is φ = 661001000.

The previous prime is 1327291001. The next prime is 1327291027. The reversal of 1327291012 is 2101927231.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659998 + ... + 662005.

It is an arithmetic number, because the mean of its divisors is an integer number (194334588).

Almost surely, 2^1327291012 is an apocalyptic number.

It is an amenable number.

1327291012 is a deficient number, since it is larger than the sum of its proper divisors (1004724044).

1327291012 is a wasteful number, since it uses less digits than its factorization.

1327291012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322258 (or 1322256 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1327291012 is about 36432.0053249886. The cubic root of 1327291012 is about 1098.9772896638.

The spelling of 1327291012 in words is "one billion, three hundred twenty-seven million, two hundred ninety-one thousand, twelve".