13632505 has 16 divisors (see below), whose sum is σ = 16885440. Its totient is φ = 10559808.

The previous prime is 13632503. The next prime is 13632511. The reversal of 13632505 is 50523631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13632505 - 2¹ = 13632503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13632505.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34851 + ... + 35239.

It is an arithmetic number, because the mean of its divisors is an integer number (1055340).

Almost surely, 2^13632505 is an apocalyptic number.

It is an amenable number.

13632505 is a deficient number, since it is larger than the sum of its proper divisors (3252935).

13632505 is a wasteful number, since it uses less digits than its factorization.

13632505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 13632505 is about 3692.2222305815. Note that the first 4 decimals coincide. The cubic root of 13632505 is about 238.8866545872.

The spelling of 13632505 in words is "thirteen million, six hundred thirty-two thousand, five hundred five".