13136528 has 20 divisors (see below), whose sum is σ = 25534080. Its totient is φ = 6547104.

The previous prime is 13136509. The next prime is 13136531. The reversal of 13136528 is 82563131.

Together with 12397552 it forms an amicable pair .

It is a self number, because there is not a number n which added to its sum of digits gives 13136528.

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, 4601 + ... + 6887.

It is an arithmetic number, because the mean of its divisors is an integer number (1276704).

Almost surely, 2^13136528 is an apocalyptic number.

It is an amenable number.

13136528 is a deficient number, since it is larger than the sum of its proper divisors (12397552).

13136528 is a wasteful number, since it uses less digits than its factorization.

13136528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654 (or 2648 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 13136528 is about 3624.4348524977. The cubic root of 13136528 is about 235.9537398555.

Adding to 13136528 its reverse (82563131), we get a palindrome (95699659).

The spelling of 13136528 in words is "thirteen million, one hundred thirty-six thousand, five hundred twenty-eight".