13947198 has 8 divisors (see below), whose sum is σ = 27894408. Its totient is φ = 4649064.

The previous prime is 13947163. The next prime is 13947209. The reversal of 13947198 is 89174931.

It is a happy number.

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

13947198 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1162261 + ... + 1162272.

It is an arithmetic number, because the mean of its divisors is an integer number (3486801).

Almost surely, 2^13947198 is an apocalyptic number.

13947198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13947198 is a wasteful number, since it uses less digits than its factorization.

13947198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324538.

The product of its digits is 54432, while the sum is 42.

The square root of 13947198 is about 3734.5947571323. The cubic root of 13947198 is about 240.7108438976.

The spelling of 13947198 in words is "thirteen million, nine hundred forty-seven thousand, one hundred ninety-eight".