13528782 has 36 divisors (see below), whose sum is σ = 30467736. Its totient is φ = 4505220.

The previous prime is 13528771. The next prime is 13528783. The reversal of 13528782 is 28782531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13528783) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12607 + ... + 13637.

It is an arithmetic number, because the mean of its divisors is an integer number (846326).

Almost surely, 2^13528782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13528782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15233868).

13528782 is an abundant number, since it is smaller than the sum of its proper divisors (16938954).

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

13528782 is an frugal number, since it uses more digits than its factorization.

13528782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057 (or 1036 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 13528782 is about 3678.1492628766. The cubic root of 13528782 is about 238.2792546328.

The spelling of 13528782 in words is "thirteen million, five hundred twenty-eight thousand, seven hundred eighty-two".