13529689 has 8 divisors (see below), whose sum is σ = 14195520. Its totient is φ = 12877200.

The previous prime is 13529687. The next prime is 13529693. The reversal of 13529689 is 98692531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13529689 - 2¹ = 13529687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13529687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1227 + ... + 5344.

It is an arithmetic number, because the mean of its divisors is an integer number (1774440).

Almost surely, 2^13529689 is an apocalyptic number.

It is an amenable number.

13529689 is a deficient number, since it is larger than the sum of its proper divisors (665831).

13529689 is an equidigital number, since it uses as much as digits as its factorization.

13529689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6671.

The product of its digits is 116640, while the sum is 43.

The square root of 13529689 is about 3678.2725565135. The cubic root of 13529689 is about 238.2845794396.

The spelling of 13529689 in words is "thirteen million, five hundred twenty-nine thousand, six hundred eighty-nine".