1328480813 has 8 divisors (see below), whose sum is σ = 1457260896. Its totient is φ = 1201035600.

The previous prime is 1328480809. The next prime is 1328480821. The reversal of 1328480813 is 3180848231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1328480813 - 2² = 1328480809 is a prime.

It is a super-2 number, since 2×1328480813² = 3529722541018281938, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328480843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331631 + ... + 335612.

It is an arithmetic number, because the mean of its divisors is an integer number (182157612).

Almost surely, 2^1328480813 is an apocalyptic number.

It is an amenable number.

1328480813 is a deficient number, since it is larger than the sum of its proper divisors (128780083).

1328480813 is a wasteful number, since it uses less digits than its factorization.

1328480813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667435.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 1328480813 is about 36448.3307299525. The cubic root of 1328480813 is about 1099.3055707905.

The spelling of 1328480813 in words is "one billion, three hundred twenty-eight million, four hundred eighty thousand, eight hundred thirteen".