13698198 has 24 divisors (see below), whose sum is σ = 29837808. Its totient is φ = 4541712.

The previous prime is 13698193. The next prime is 13698211. The reversal of 13698198 is 89189631.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13698193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1615 + ... + 5477.

It is an arithmetic number, because the mean of its divisors is an integer number (1243242).

Almost surely, 2^13698198 is an apocalyptic number.

13698198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13698198 is an abundant number, since it is smaller than the sum of its proper divisors (16139610).

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

13698198 is a wasteful number, since it uses less digits than its factorization.

13698198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068 (or 4065 counting only the distinct ones).

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

The square root of 13698198 is about 3701.1076720355. The cubic root of 13698198 is about 239.2697595404.

The spelling of 13698198 in words is "thirteen million, six hundred ninety-eight thousand, one hundred ninety-eight".