13986198 has 12 divisors (see below), whose sum is σ = 30303468. Its totient is φ = 4662060.

The previous prime is 13986191. The next prime is 13986209. The reversal of 13986198 is 89168931.

It is a super-2 number, since 2×13986198² = 391227468990408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13986191) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 388488 + ... + 388523.

It is an arithmetic number, because the mean of its divisors is an integer number (2525289).

Almost surely, 2^13986198 is an apocalyptic number.

13986198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13986198 is an abundant number, since it is smaller than the sum of its proper divisors (16317270).

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

13986198 is a wasteful number, since it uses less digits than its factorization.

13986198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777019 (or 777016 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 13986198 is about 3739.8125621480. The cubic root of 13986198 is about 240.9349985105.

The spelling of 13986198 in words is "thirteen million, nine hundred eighty-six thousand, one hundred ninety-eight".