13528493 has 16 divisors (see below), whose sum is σ = 15429120. Its totient is φ = 11750400.

The previous prime is 13528477. The next prime is 13528499. The reversal of 13528493 is 39482531.

It is a cyclic number.

It is not a de Polignac number, because 13528493 - 2⁴ = 13528477 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13528499) 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, 32873 + ... + 33281.

It is an arithmetic number, because the mean of its divisors is an integer number (964320).

Almost surely, 2^13528493 is an apocalyptic number.

It is an amenable number.

13528493 is a deficient number, since it is larger than the sum of its proper divisors (1900627).

13528493 is a wasteful number, since it uses less digits than its factorization.

13528493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548.

The product of its digits is 25920, while the sum is 35.

The square root of 13528493 is about 3678.1099766048. The cubic root of 13528493 is about 238.2775579243.

The spelling of 13528493 in words is "thirteen million, five hundred twenty-eight thousand, four hundred ninety-three".