11689149 has 8 divisors (see below), whose sum is σ = 16502400. Its totient is φ = 7334336.

The previous prime is 11689147. The next prime is 11689157. The reversal of 11689149 is 94198611.

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 11689149 - 2¹ = 11689147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11689147) 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, 114549 + ... + 114650.

It is an arithmetic number, because the mean of its divisors is an integer number (2062800).

Almost surely, 2^11689149 is an apocalyptic number.

It is an amenable number.

11689149 is a deficient number, since it is larger than the sum of its proper divisors (4813251).

11689149 is a wasteful number, since it uses less digits than its factorization.

11689149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229219.

The product of its digits is 15552, while the sum is 39.

The square root of 11689149 is about 3418.9397479336. The cubic root of 11689149 is about 226.9486645415.

The spelling of 11689149 in words is "eleven million, six hundred eighty-nine thousand, one hundred forty-nine".