13648885 has 4 divisors (see below), whose sum is σ = 16378668. Its totient is φ = 10919104.

The previous prime is 13648849. The next prime is 13648891. The reversal of 13648885 is 58884631.

13648885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5116644 + 8532241 = 2262^2 + 2921^2 .

It is a cyclic number.

It is not a de Polignac number, because 13648885 - 2⁷ = 13648757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364884 + ... + 1364893.

It is an arithmetic number, because the mean of its divisors is an integer number (4094667).

Almost surely, 2^13648885 is an apocalyptic number.

It is an amenable number.

13648885 is a deficient number, since it is larger than the sum of its proper divisors (2729783).

13648885 is an equidigital number, since it uses as much as digits as its factorization.

13648885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729782.

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

The square root of 13648885 is about 3694.4397410162. The cubic root of 13648885 is about 238.9822935827.

The spelling of 13648885 in words is "thirteen million, six hundred forty-eight thousand, eight hundred eighty-five".