13557532 has 12 divisors (see below), whose sum is σ = 23786560. Its totient is φ = 6761376.

The previous prime is 13557527. The next prime is 13557539. The reversal of 13557532 is 23575531.

It is a junction number, because it is equal to n+sod(n) for n = 13557494 and 13557503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13557539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2508 + ... + 5779.

Almost surely, 2^13557532 is an apocalyptic number.

It is an amenable number.

13557532 is a deficient number, since it is larger than the sum of its proper divisors (10229028).

13557532 is a wasteful number, since it uses less digits than its factorization.

13557532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8700 (or 8698 counting only the distinct ones).

The product of its digits is 15750, while the sum is 31.

The square root of 13557532 is about 3682.0554042545. The cubic root of 13557532 is about 238.4479242047.

The spelling of 13557532 in words is "thirteen million, five hundred fifty-seven thousand, five hundred thirty-two".