12193239 has 8 divisors (see below), whose sum is σ = 16697200. Its totient is φ = 7909056.

The previous prime is 12193211. The next prime is 12193241. The reversal of 12193239 is 93239121.

It is a happy number.

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

It is not a de Polignac number, because 12193239 - 2¹¹ = 12191191 is a prime.

It is a super-2 number, since 2×12193239² = 297350154622242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12193739) 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, 54814 + ... + 55035.

It is an arithmetic number, because the mean of its divisors is an integer number (2087150).

Almost surely, 2^12193239 is an apocalyptic number.

12193239 is a deficient number, since it is larger than the sum of its proper divisors (4503961).

12193239 is a wasteful number, since it uses less digits than its factorization.

12193239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109889.

The product of its digits is 2916, while the sum is 30.

The square root of 12193239 is about 3491.8818708542. The cubic root of 12193239 is about 230.1652184025.

The spelling of 12193239 in words is "twelve million, one hundred ninety-three thousand, two hundred thirty-nine".