13529872 has 20 divisors (see below), whose sum is σ = 26271756. Its totient is φ = 6750080.

The previous prime is 13529833. The next prime is 13529891. The reversal of 13529872 is 27892531.

It can be written as a sum of positive squares in 2 ways, for example, as 7750656 + 5779216 = 2784^2 + 2404^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12222 + ... + 13282.

Almost surely, 2^13529872 is an apocalyptic number.

It is an amenable number.

13529872 is a deficient number, since it is larger than the sum of its proper divisors (12741884).

13529872 is a wasteful number, since it uses less digits than its factorization.

13529872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866 (or 1860 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 13529872 is about 3678.2974322368. The cubic root of 13529872 is about 238.2856537654.

The spelling of 13529872 in words is "thirteen million, five hundred twenty-nine thousand, eight hundred seventy-two".