13198455 has 24 divisors (see below), whose sum is σ = 23498592. Its totient is φ = 6848064.

The previous prime is 13198453. The next prime is 13198459. The reversal of 13198455 is 55489131.

13198455 is a `hidden beast` number, since 13 + 198 + 455 = 666.

It is not a de Polignac number, because 13198455 - 2¹ = 13198453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13198453) 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 23 ways as a sum of consecutive naturals, for example, 2299 + ... + 5628.

It is an arithmetic number, because the mean of its divisors is an integer number (979108).

Almost surely, 2^13198455 is an apocalyptic number.

13198455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13198455 is a deficient number, since it is larger than the sum of its proper divisors (10300137).

13198455 is a wasteful number, since it uses less digits than its factorization.

13198455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7975 (or 7972 counting only the distinct ones).

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

The square root of 13198455 is about 3632.9677950678. The cubic root of 13198455 is about 236.3239291601.

The spelling of 13198455 in words is "thirteen million, one hundred ninety-eight thousand, four hundred fifty-five".