11892189 has 8 divisors (see below), whose sum is σ = 16367872. Its totient is φ = 7672320.

The previous prime is 11892187. The next prime is 11892203. The reversal of 11892189 is 98129811.

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

It is not a de Polignac number, because 11892189 - 2¹ = 11892187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11892187) 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, 63844 + ... + 64029.

It is an arithmetic number, because the mean of its divisors is an integer number (2045984).

Almost surely, 2^11892189 is an apocalyptic number.

It is an amenable number.

11892189 is a deficient number, since it is larger than the sum of its proper divisors (4475683).

11892189 is a wasteful number, since it uses less digits than its factorization.

11892189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127907.

The product of its digits is 10368, while the sum is 39.

The square root of 11892189 is about 3448.5053283995. The cubic root of 11892189 is about 228.2551583246.

The spelling of 11892189 in words is "eleven million, eight hundred ninety-two thousand, one hundred eighty-nine".