13691198 has 8 divisors (see below), whose sum is σ = 20567520. Its totient is φ = 6835360.

The previous prime is 13691189. The next prime is 13691207. The reversal of 13691198 is 89119631.

It is an interprime number because it is at equal distance from previous prime (13691189) and next prime (13691207).

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3323 + ... + 6198.

It is an arithmetic number, because the mean of its divisors is an integer number (2570940).

Almost surely, 2^13691198 is an apocalyptic number.

13691198 is a deficient number, since it is larger than the sum of its proper divisors (6876322).

13691198 is an equidigital number, since it uses as much as digits as its factorization.

13691198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10242.

The product of its digits is 11664, while the sum is 38.

The square root of 13691198 is about 3700.1618883503. The cubic root of 13691198 is about 239.2289956946.

The spelling of 13691198 in words is "thirteen million, six hundred ninety-one thousand, one hundred ninety-eight".