13531532 has 24 divisors (see below), whose sum is σ = 27525120. Its totient is φ = 5700240.

The previous prime is 13531523. The next prime is 13531547. The reversal of 13531532 is 23513531.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 13531498 and 13531507.

It is an unprimeable number.

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, 2444 + ... + 5747.

It is an arithmetic number, because the mean of its divisors is an integer number (1146880).

Almost surely, 2^13531532 is an apocalyptic number.

It is an amenable number.

13531532 is an abundant number, since it is smaller than the sum of its proper divisors (13993588).

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

13531532 is a wasteful number, since it uses less digits than its factorization.

13531532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8261 (or 8259 counting only the distinct ones).

The product of its digits is 1350, while the sum is 23.

The square root of 13531532 is about 3678.5230731912. The cubic root of 13531532 is about 238.2953985733.

The spelling of 13531532 in words is "thirteen million, five hundred thirty-one thousand, five hundred thirty-two".