1328597313 has 16 divisors (see below), whose sum is σ = 1779019200. Its totient is φ = 881963264.

The previous prime is 1328597267. The next prime is 1328597321. The reversal of 1328597313 is 3137958231.

It is a cyclic number.

It is not a de Polignac number, because 1328597313 - 2²⁰ = 1327548737 is a prime.

It is a super-2 number, since 2×1328597313² = 3530341640221639938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1328597113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1266013 + ... + 1267061.

It is an arithmetic number, because the mean of its divisors is an integer number (111188700).

Almost surely, 2^1328597313 is an apocalyptic number.

It is an amenable number.

1328597313 is a deficient number, since it is larger than the sum of its proper divisors (450421887).

1328597313 is a wasteful number, since it uses less digits than its factorization.

1328597313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448.

The product of its digits is 136080, while the sum is 42.

The square root of 1328597313 is about 36449.9288476672. The cubic root of 1328597313 is about 1099.3377040749.

The spelling of 1328597313 in words is "one billion, three hundred twenty-eight million, five hundred ninety-seven thousand, three hundred thirteen".