13919198 has 8 divisors (see below), whose sum is σ = 20933640. Its totient is φ = 6941320.

The previous prime is 13919197. The next prime is 13919201. The reversal of 13919198 is 89191931.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13919197) 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, 8168 + ... + 9723.

It is an arithmetic number, because the mean of its divisors is an integer number (2616705).

Almost surely, 2^13919198 is an apocalyptic number.

13919198 is a deficient number, since it is larger than the sum of its proper divisors (7014442).

13919198 is a wasteful number, since it uses less digits than its factorization.

13919198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18282.

The product of its digits is 17496, while the sum is 41.

The square root of 13919198 is about 3730.8441404058. The cubic root of 13919198 is about 240.5496545570.

The spelling of 13919198 in words is "thirteen million, nine hundred nineteen thousand, one hundred ninety-eight".