13180528 has 40 divisors (see below), whose sum is σ = 27141120. Its totient is φ = 6183360.

The previous prime is 13180523. The next prime is 13180571. The reversal of 13180528 is 82508131.

It is a junction number, because it is equal to n+sod(n) for n = 13180496 and 13180505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13180523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57951 + ... + 58177.

It is an arithmetic number, because the mean of its divisors is an integer number (678528).

Almost surely, 2^13180528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13180528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13570560).

13180528 is an abundant number, since it is smaller than the sum of its proper divisors (13960592).

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

13180528 is a wasteful number, since it uses less digits than its factorization.

13180528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 13180528 is about 3630.4996901253. The cubic root of 13180528 is about 236.2168838365.

Adding to 13180528 its reverse (82508131), we get a palindrome (95688659).

The spelling of 13180528 in words is "thirteen million, one hundred eighty thousand, five hundred twenty-eight".