13107328 has 32 divisors (see below), whose sum is σ = 28124460. Its totient is φ = 6048768.

The previous prime is 13107317. The next prime is 13107337. The reversal of 13107328 is 82370131.

It can be written as a sum of positive squares in 2 ways, for example, as 11235904 + 1871424 = 3352^2 + 1368^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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, 2275 + ... + 5602.

Almost surely, 2^13107328 is an apocalyptic number.

It is an amenable number.

13107328 is an abundant number, since it is smaller than the sum of its proper divisors (15017132).

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

13107328 is an equidigital number, since it uses as much as digits as its factorization.

13107328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7904 (or 7892 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 13107328 is about 3620.4043973015. The cubic root of 13107328 is about 235.7787834170.

Adding to 13107328 its reverse (82370131), we get a palindrome (95477459).

The spelling of 13107328 in words is "thirteen million, one hundred seven thousand, three hundred twenty-eight".