1296066328 has 16 divisors (see below), whose sum is σ = 2437013880. Its totient is φ = 646195968.

The previous prime is 1296066319. The next prime is 1296066341. The reversal of 1296066328 is 8236606921.

It is a congruent number.

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, 226650 + ... + 232297.

Almost surely, 2^1296066328 is an apocalyptic number.

It is an amenable number.

1296066328 is a deficient number, since it is larger than the sum of its proper divisors (1140947552).

1296066328 is a wasteful number, since it uses less digits than its factorization.

1296066328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459306 (or 459302 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 1296066328 is about 36000.9212104357. The cubic root of 1296066328 is about 1090.2909550694.

The spelling of 1296066328 in words is "one billion, two hundred ninety-six million, sixty-six thousand, three hundred twenty-eight".