11689197 has 8 divisors (see below), whose sum is σ = 16784544. Its totient is φ = 7193328.

The previous prime is 11689193. The next prime is 11689211. The reversal of 11689197 is 79198611.

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

It is not a de Polignac number, because 11689197 - 2² = 11689193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11689193) 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, 149823 + ... + 149900.

It is an arithmetic number, because the mean of its divisors is an integer number (2098068).

Almost surely, 2^11689197 is an apocalyptic number.

It is an amenable number.

11689197 is a deficient number, since it is larger than the sum of its proper divisors (5095347).

11689197 is a wasteful number, since it uses less digits than its factorization.

11689197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299739.

The product of its digits is 27216, while the sum is 42.

The square root of 11689197 is about 3418.9467676464. The cubic root of 11689197 is about 226.9489751863.

The spelling of 11689197 in words is "eleven million, six hundred eighty-nine thousand, one hundred ninety-seven".