13130320 has 40 divisors (see below), whose sum is σ = 34890624. Its totient is φ = 4501632.

The previous prime is 13130317. The next prime is 13130321. The reversal of 13130320 is 2303131.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 13130320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130321) 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, 11164 + ... + 12283.

Almost surely, 2^13130320 is an apocalyptic number.

13130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13130320 is an abundant number, since it is smaller than the sum of its proper divisors (21760304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13130320 is a wasteful number, since it uses less digits than its factorization.

13130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23467 (or 23461 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 13130320 is about 3623.5783419156. The cubic root of 13130320 is about 235.9165653545.

Adding to 13130320 its reverse (2303131), we get a palindrome (15433451).

The spelling of 13130320 in words is "thirteen million, one hundred thirty thousand, three hundred twenty".