13208919 has 8 divisors (see below), whose sum is σ = 17629680. Its totient is φ = 8797056.

The previous prime is 13208917. The next prime is 13208957. The reversal of 13208919 is 91980231.

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

It is not a de Polignac number, because 13208919 - 2¹ = 13208917 is a prime.

It is a super-2 number, since 2×13208919² = 348951082297122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13208919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13208917) 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, 2989 + ... + 5945.

It is an arithmetic number, because the mean of its divisors is an integer number (2203710).

Almost surely, 2^13208919 is an apocalyptic number.

13208919 is a deficient number, since it is larger than the sum of its proper divisors (4420761).

13208919 is a wasteful number, since it uses less digits than its factorization.

13208919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 13208919 is about 3634.4076546254. The cubic root of 13208919 is about 236.3863667803.

The spelling of 13208919 in words is "thirteen million, two hundred eight thousand, nine hundred nineteen".