13526028 has 60 divisors (see below), whose sum is σ = 35777280. Its totient is φ = 4455648.

The previous prime is 13526017. The next prime is 13526041. The reversal of 13526028 is 82062531.

13526028 is a `hidden beast` number, since 1 + 3 + 52 + 602 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13525992 and 13526010.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35125 + ... + 35507.

It is an arithmetic number, because the mean of its divisors is an integer number (596288).

Almost surely, 2^13526028 is an apocalyptic number.

13526028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13526028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17888640).

13526028 is an abundant number, since it is smaller than the sum of its proper divisors (22251252).

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

13526028 is a wasteful number, since it uses less digits than its factorization.

13526028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 13526028 is about 3677.7748707609. The cubic root of 13526028 is about 238.2630850175.

Adding to 13526028 its reverse (82062531), we get a palindrome (95588559).

The spelling of 13526028 in words is "thirteen million, five hundred twenty-six thousand, twenty-eight".