1320832513 has 24 divisors (see below), whose sum is σ = 1783187136. Its totient is φ = 950040000.

The previous prime is 1320832511. The next prime is 1320832537. The reversal of 1320832513 is 3152380231.

It is not a de Polignac number, because 1320832513 - 2¹ = 1320832511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320832511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37738 + ... + 63763.

It is an arithmetic number, because the mean of its divisors is an integer number (74299464).

Almost surely, 2^1320832513 is an apocalyptic number.

1320832513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1320832513 is a deficient number, since it is larger than the sum of its proper divisors (462354623).

1320832513 is a wasteful number, since it uses less digits than its factorization.

1320832513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101545 (or 101532 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1320832513 is about 36343.2595263551. The cubic root of 1320832513 is about 1097.1918768070.

The spelling of 1320832513 in words is "one billion, three hundred twenty million, eight hundred thirty-two thousand, five hundred thirteen".