13928198 has 4 divisors (see below), whose sum is σ = 20892300. Its totient is φ = 6964098.

The previous prime is 13928183. The next prime is 13928221. The reversal of 13928198 is 89182931.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3482048 + ... + 3482051.

It is an arithmetic number, because the mean of its divisors is an integer number (5223075).

Almost surely, 2^13928198 is an apocalyptic number.

13928198 is a deficient number, since it is larger than the sum of its proper divisors (6964102).

13928198 is an equidigital number, since it uses as much as digits as its factorization.

13928198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6964101.

The product of its digits is 31104, while the sum is 41.

The square root of 13928198 is about 3732.0501068448. The cubic root of 13928198 is about 240.6014889718.

The spelling of 13928198 in words is "thirteen million, nine hundred twenty-eight thousand, one hundred ninety-eight".