13575128 has 16 divisors (see below), whose sum is σ = 29089680. Its totient is φ = 5817888.

The previous prime is 13575127. The next prime is 13575131. The reversal of 13575128 is 82157531.

It is a junction number, because it is equal to n+sod(n) for n = 13575094 and 13575103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13575127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121151 + ... + 121262.

It is an arithmetic number, because the mean of its divisors is an integer number (1818105).

Almost surely, 2^13575128 is an apocalyptic number.

It is an amenable number.

13575128 is an abundant number, since it is smaller than the sum of its proper divisors (15514552).

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

13575128 is a wasteful number, since it uses less digits than its factorization.

13575128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242426 (or 242422 counting only the distinct ones).

The product of its digits is 8400, while the sum is 32.

The square root of 13575128 is about 3684.4440557566. Note that the first 3 decimals coincide. The cubic root of 13575128 is about 238.5510382475.

The spelling of 13575128 in words is "thirteen million, five hundred seventy-five thousand, one hundred twenty-eight".