12185243 has 8 divisors (see below), whose sum is σ = 14745312. Its totient is φ = 9830016.

The previous prime is 12185231. The next prime is 12185273. The reversal of 12185243 is 34258121.

12185243 is nontrivially palindromic in base 16.

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

It is not a de Polignac number, because 12185243 - 2⁶ = 12185179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12185203) 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, 51080 + ... + 51317.

It is an arithmetic number, because the mean of its divisors is an integer number (1843164).

Almost surely, 2^12185243 is an apocalyptic number.

12185243 is a deficient number, since it is larger than the sum of its proper divisors (2560069).

12185243 is a wasteful number, since it uses less digits than its factorization.

12185243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102421.

The product of its digits is 1920, while the sum is 26.

The square root of 12185243 is about 3490.7367417209. The cubic root of 12185243 is about 230.1148953361.

The spelling of 12185243 in words is "twelve million, one hundred eighty-five thousand, two hundred forty-three".