11687198 has 8 divisors (see below), whose sum is σ = 17691960. Its totient is φ = 5789880.

The previous prime is 11687191. The next prime is 11687231. The reversal of 11687198 is 89178611.

11687198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11687191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26588 + ... + 27023.

It is an arithmetic number, because the mean of its divisors is an integer number (2211495).

Almost surely, 2^11687198 is an apocalyptic number.

11687198 is a deficient number, since it is larger than the sum of its proper divisors (6004762).

11687198 is a wasteful number, since it uses less digits than its factorization.

11687198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53722.

The product of its digits is 24192, while the sum is 41.

The square root of 11687198 is about 3418.6544136546. The cubic root of 11687198 is about 226.9360374038.

The spelling of 11687198 in words is "eleven million, six hundred eighty-seven thousand, one hundred ninety-eight".