13208861 has 8 divisors (see below), whose sum is σ = 13543200. Its totient is φ = 12878320.

The previous prime is 13208851. The next prime is 13208873. The reversal of 13208861 is 16880231.

13208861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13208861 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 (13208801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6875 + ... + 8583.

It is an arithmetic number, because the mean of its divisors is an integer number (1692900).

Almost surely, 2^13208861 is an apocalyptic number.

It is an amenable number.

13208861 is a deficient number, since it is larger than the sum of its proper divisors (334339).

13208861 is a wasteful number, since it uses less digits than its factorization.

13208861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 13208861 is about 3634.3996753247. The cubic root of 13208861 is about 236.3860207911.

The spelling of 13208861 in words is "thirteen million, two hundred eight thousand, eight hundred sixty-one".