13727198 has 16 divisors (see below), whose sum is σ = 20993280. Its totient is φ = 6730776.

The previous prime is 13727183. The next prime is 13727201. The reversal of 13727198 is 89172731.

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 in 7 ways as a sum of consecutive naturals, for example, 44561 + ... + 44867.

It is an arithmetic number, because the mean of its divisors is an integer number (1312080).

Almost surely, 2^13727198 is an apocalyptic number.

13727198 is a deficient number, since it is larger than the sum of its proper divisors (7266082).

13727198 is a wasteful number, since it uses less digits than its factorization.

13727198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671.

The product of its digits is 21168, while the sum is 38.

The square root of 13727198 is about 3705.0233467551. The cubic root of 13727198 is about 239.4384905450.

It can be divided in two parts, 13727 and 198, that multiplied together give a triangular number (2717946 = T₂₃₃₁).

The spelling of 13727198 in words is "thirteen million, seven hundred twenty-seven thousand, one hundred ninety-eight".