13170128 has 20 divisors (see below), whose sum is σ = 25589508. Its totient is φ = 6566400.

The previous prime is 13170109. The next prime is 13170137. The reversal of 13170128 is 82107131.

It is a happy number.

13170128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1281424 + 11888704 = 1132^2 + 3448^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

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, 5978 + ... + 7878.

Almost surely, 2^13170128 is an apocalyptic number.

It is an amenable number.

13170128 is a deficient number, since it is larger than the sum of its proper divisors (12419380).

13170128 is a wasteful number, since it uses less digits than its factorization.

13170128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342 (or 2336 counting only the distinct ones).

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

The square root of 13170128 is about 3629.0670977539. The cubic root of 13170128 is about 236.1547390825.

Adding to 13170128 its reverse (82107131), we get a palindrome (95277259).

The spelling of 13170128 in words is "thirteen million, one hundred seventy thousand, one hundred twenty-eight".