13208885 has 4 divisors (see below), whose sum is σ = 15850668. Its totient is φ = 10567104.

The previous prime is 13208873. The next prime is 13208887. The reversal of 13208885 is 58880231.

13208885 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 3912484 + 9296401 = 1978^2 + 3049^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13208885 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 (13208887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320884 + ... + 1320893.

It is an arithmetic number, because the mean of its divisors is an integer number (3962667).

Almost surely, 2^13208885 is an apocalyptic number.

It is an amenable number.

13208885 is a deficient number, since it is larger than the sum of its proper divisors (2641783).

13208885 is an equidigital number, since it uses as much as digits as its factorization.

13208885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641782.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 13208885 is about 3634.4029771064. The cubic root of 13208885 is about 236.3861639592.

The spelling of 13208885 in words is "thirteen million, two hundred eight thousand, eight hundred eighty-five".