13155532 has 24 divisors (see below), whose sum is σ = 25596032. Its totient is φ = 5875200.

The previous prime is 13155529. The next prime is 13155533. The reversal of 13155532 is 23555131.

13155532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13155497 and 13155506.

It is not an unprimeable number, because it can be changed into a prime (13155533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2469 + ... + 5692.

Almost surely, 2^13155532 is an apocalyptic number.

It is an amenable number.

13155532 is a deficient number, since it is larger than the sum of its proper divisors (12440500).

13155532 is a wasteful number, since it uses less digits than its factorization.

13155532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8209 (or 8207 counting only the distinct ones).

The product of its digits is 2250, while the sum is 25.

The square root of 13155532 is about 3627.0555551301. The cubic root of 13155532 is about 236.0674661083.

The spelling of 13155532 in words is "thirteen million, one hundred fifty-five thousand, five hundred thirty-two".