13528506 has 32 divisors (see below), whose sum is σ = 27897408. Its totient is φ = 4371840.

The previous prime is 13528499. The next prime is 13528507. The reversal of 13528506 is 60582531.

It is not an unprimeable number, because it can be changed into a prime (13528507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29116 + ... + 29576.

It is an arithmetic number, because the mean of its divisors is an integer number (871794).

Almost surely, 2^13528506 is an apocalyptic number.

13528506 is an abundant number, since it is smaller than the sum of its proper divisors (14368902).

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

13528506 is a wasteful number, since it uses less digits than its factorization.

13528506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 13528506 is about 3678.1117438164. Note that the first 3 decimals coincide. The cubic root of 13528506 is about 238.2776342474.

The spelling of 13528506 in words is "thirteen million, five hundred twenty-eight thousand, five hundred six".