13532665 has 16 divisors (see below), whose sum is σ = 16765056. Its totient is φ = 10480000.

The previous prime is 13532657. The next prime is 13532669. The reversal of 13532665 is 56623531.

It is not a de Polignac number, because 13532665 - 2³ = 13532657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13532669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51324 + ... + 51586.

It is an arithmetic number, because the mean of its divisors is an integer number (1047816).

Almost surely, 2^13532665 is an apocalyptic number.

It is an amenable number.

13532665 is a deficient number, since it is larger than the sum of its proper divisors (3232391).

13532665 is a wasteful number, since it uses less digits than its factorization.

13532665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560.

The product of its digits is 16200, while the sum is 31.

The square root of 13532665 is about 3678.6770719920. The cubic root of 13532665 is about 238.3020492406.

The spelling of 13532665 in words is "thirteen million, five hundred thirty-two thousand, six hundred sixty-five".