13887199 has 8 divisors (see below), whose sum is σ = 14266448. Its totient is φ = 13512960.

The previous prime is 13887191. The next prime is 13887227. The reversal of 13887199 is 99178831.

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

It is a cyclic number.

It is not a de Polignac number, because 13887199 - 2³ = 13887191 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 (13887191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4744 + ... + 7090.

It is an arithmetic number, because the mean of its divisors is an integer number (1783306).

Almost surely, 2^13887199 is an apocalyptic number.

13887199 is a deficient number, since it is larger than the sum of its proper divisors (379249).

13887199 is an equidigital number, since it uses as much as digits as its factorization.

13887199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505.

The product of its digits is 108864, while the sum is 46.

The square root of 13887199 is about 3726.5532332170. The cubic root of 13887199 is about 240.3651790231.

The spelling of 13887199 in words is "thirteen million, eight hundred eighty-seven thousand, one hundred ninety-nine".