13017128 has 16 divisors (see below), whose sum is σ = 25692000. Its totient is φ = 6165936.

The previous prime is 13017127. The next prime is 13017157. The reversal of 13017128 is 82171031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13017127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42668 + ... + 42971.

It is an arithmetic number, because the mean of its divisors is an integer number (1605750).

Almost surely, 2^13017128 is an apocalyptic number.

It is an amenable number.

13017128 is a deficient number, since it is larger than the sum of its proper divisors (12674872).

13017128 is a wasteful number, since it uses less digits than its factorization.

13017128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85664 (or 85660 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 13017128 is about 3607.9257198562. The cubic root of 13017128 is about 235.2366892493.

Adding to 13017128 its reverse (82171031), we get a palindrome (95188159).

The spelling of 13017128 in words is "thirteen million, seventeen thousand, one hundred twenty-eight".