13488865 has 8 divisors (see below), whose sum is σ = 17431848. Its totient is φ = 9960960.

The previous prime is 13488863. The next prime is 13488889. The reversal of 13488865 is 56888431.

It can be written as a sum of positive squares in 4 ways, for example, as 304704 + 13184161 = 552^2 + 3631^2 .

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

It is not a de Polignac number, because 13488865 - 2¹ = 13488863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13488863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103696 + ... + 103825.

It is an arithmetic number, because the mean of its divisors is an integer number (2178981).

Almost surely, 2^13488865 is an apocalyptic number.

It is an amenable number.

13488865 is a deficient number, since it is larger than the sum of its proper divisors (3942983).

13488865 is a wasteful number, since it uses less digits than its factorization.

13488865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207539.

The product of its digits is 184320, while the sum is 43.

The square root of 13488865 is about 3672.7190200177. The cubic root of 13488865 is about 238.0446741927.

The spelling of 13488865 in words is "thirteen million, four hundred eighty-eight thousand, eight hundred sixty-five".