13198287 has 8 divisors (see below), whose sum is σ = 17753904. Its totient is φ = 8720768.

The previous prime is 13198279. The next prime is 13198301. The reversal of 13198287 is 78289131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13198287 - 2³ = 13198279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13198267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19128 + ... + 19805.

It is an arithmetic number, because the mean of its divisors is an integer number (2219238).

Almost surely, 2^13198287 is an apocalyptic number.

13198287 is a deficient number, since it is larger than the sum of its proper divisors (4555617).

13198287 is a wasteful number, since it uses less digits than its factorization.

13198287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39049.

The product of its digits is 24192, while the sum is 39.

The square root of 13198287 is about 3632.9446734020. The cubic root of 13198287 is about 236.3229264521.

The spelling of 13198287 in words is "thirteen million, one hundred ninety-eight thousand, two hundred eighty-seven".