13455198 has 48 divisors (see below), whose sum is σ = 30410640. Its totient is φ = 4295808.

The previous prime is 13455191. The next prime is 13455223. The reversal of 13455198 is 89155431.

13455198 is a `hidden beast` number, since 13 + 4 + 551 + 98 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13455191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59161 + ... + 59387.

It is an arithmetic number, because the mean of its divisors is an integer number (633555).

Almost surely, 2^13455198 is an apocalyptic number.

13455198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13455198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15205320).

13455198 is an abundant number, since it is smaller than the sum of its proper divisors (16955442).

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

13455198 is a wasteful number, since it uses less digits than its factorization.

13455198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 358 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 13455198 is about 3668.1327674990. The cubic root of 13455198 is about 237.8464631270.

The spelling of 13455198 in words is "thirteen million, four hundred fifty-five thousand, one hundred ninety-eight".