13528806 has 8 divisors (see below), whose sum is σ = 27057624. Its totient is φ = 4509600.

The previous prime is 13528783. The next prime is 13528813. The reversal of 13528806 is 60882531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

13528806 is an admirable number.

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, 1127395 + ... + 1127406.

It is an arithmetic number, because the mean of its divisors is an integer number (3382203).

Almost surely, 2^13528806 is an apocalyptic number.

13528806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13528806 is a wasteful number, since it uses less digits than its factorization.

13528806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254806.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 13528806 is about 3678.1525253855. The cubic root of 13528806 is about 238.2793955348.

The spelling of 13528806 in words is "thirteen million, five hundred twenty-eight thousand, eight hundred six".