13115128 has 16 divisors (see below), whose sum is σ = 26482680. Its totient is φ = 6053088.

The previous prime is 13115117. The next prime is 13115161. The reversal of 13115128 is 82151131.

13115128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13115099 and 13115108.

It is a congruent number.

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, 62950 + ... + 63157.

Almost surely, 2^13115128 is an apocalyptic number.

It is an amenable number.

13115128 is an abundant number, since it is smaller than the sum of its proper divisors (13367552).

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

13115128 is a wasteful number, since it uses less digits than its factorization.

13115128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126126 (or 126122 counting only the distinct ones).

The product of its digits is 240, while the sum is 22.

The square root of 13115128 is about 3621.4814648152. The cubic root of 13115128 is about 235.8255437694.

Adding to 13115128 its reverse (82151131), we get a palindrome (95266259).

The spelling of 13115128 in words is "thirteen million, one hundred fifteen thousand, one hundred twenty-eight".