13529161 has 16 divisors (see below), whose sum is σ = 14913936. Its totient is φ = 12220416.

The previous prime is 13529149. The next prime is 13529177. The reversal of 13529161 is 16192531.

It can be written as a sum of positive squares in 8 ways, for example, as 1279161 + 12250000 = 1131^2 + 3500^2 .

It is not a de Polignac number, because 13529161 - 2¹¹ = 13527113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13529101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86095 + ... + 86251.

It is an arithmetic number, because the mean of its divisors is an integer number (932121).

Almost surely, 2^13529161 is an apocalyptic number.

It is an amenable number.

13529161 is a deficient number, since it is larger than the sum of its proper divisors (1384775).

13529161 is a wasteful number, since it uses less digits than its factorization.

13529161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348.

The product of its digits is 1620, while the sum is 28.

The square root of 13529161 is about 3678.2007829916. The cubic root of 13529161 is about 238.2814796913.

The spelling of 13529161 in words is "thirteen million, five hundred twenty-nine thousand, one hundred sixty-one".