12191134 has 8 divisors (see below), whose sum is σ = 18418680. Its totient is φ = 6051576.

The previous prime is 12191129. The next prime is 12191147. The reversal of 12191134 is 43119121.

12191134 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21649 + ... + 22204.

It is an arithmetic number, because the mean of its divisors is an integer number (2302335).

Almost surely, 2^12191134 is an apocalyptic number.

12191134 is a deficient number, since it is larger than the sum of its proper divisors (6227546).

12191134 is a wasteful number, since it uses less digits than its factorization.

12191134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43994.

The product of its digits is 216, while the sum is 22.

The square root of 12191134 is about 3491.5804444406. The cubic root of 12191134 is about 230.1519726557.

The spelling of 12191134 in words is "twelve million, one hundred ninety-one thousand, one hundred thirty-four".