13632541 has 8 divisors (see below), whose sum is σ = 15039864. Its totient is φ = 12276480.

The previous prime is 13632533. The next prime is 13632559. The reversal of 13632541 is 14523631.

It can be written as a sum of positive squares in 4 ways, for example, as 1833316 + 11799225 = 1354^2 + 3435^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13632541 - 2³ = 13632533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13632511) 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, 12256 + ... + 13321.

It is an arithmetic number, because the mean of its divisors is an integer number (1879983).

Almost surely, 2^13632541 is an apocalyptic number.

It is an amenable number.

13632541 is a deficient number, since it is larger than the sum of its proper divisors (1407323).

13632541 is a wasteful number, since it uses less digits than its factorization.

13632541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25631.

The product of its digits is 2160, while the sum is 25.

The square root of 13632541 is about 3692.2271056911. The cubic root of 13632541 is about 238.8868648668.

The spelling of 13632541 in words is "thirteen million, six hundred thirty-two thousand, five hundred forty-one".