13526526 has 48 divisors (see below), whose sum is σ = 31156272. Its totient is φ = 3878400.

The previous prime is 13526521. The next prime is 13526581. The reversal of 13526526 is 62562531.

It is a junction number, because it is equal to n+sod(n) for n = 13526493 and 13526502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13526521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133876 + ... + 133976.

It is an arithmetic number, because the mean of its divisors is an integer number (649089).

Almost surely, 2^13526526 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13526526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15578136).

13526526 is an abundant number, since it is smaller than the sum of its proper divisors (17629746).

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

13526526 is a wasteful number, since it uses less digits than its factorization.

13526526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 136 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 13526526 is about 3677.8425741187. The cubic root of 13526526 is about 238.2660090974.

The spelling of 13526526 in words is "thirteen million, five hundred twenty-six thousand, five hundred twenty-six".