13632543 has 12 divisors (see below), whose sum is σ = 20421128. Its totient is φ = 9088200.

The previous prime is 13632533. The next prime is 13632559. The reversal of 13632543 is 34523631.

It is a happy number.

13632543 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13632543 - 2⁵ = 13632511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13632503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27808 + ... + 28293.

Almost surely, 2^13632543 is an apocalyptic number.

13632543 is a deficient number, since it is larger than the sum of its proper divisors (6788585).

13632543 is an frugal number, since it uses more digits than its factorization.

13632543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56116 (or 56104 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 13632543 is about 3692.2273765303. The cubic root of 13632543 is about 238.8868765490.

The spelling of 13632543 in words is "thirteen million, six hundred thirty-two thousand, five hundred forty-three".