12243235 has 4 divisors (see below), whose sum is σ = 14691888. Its totient is φ = 9794584.

The previous prime is 12243229. The next prime is 12243241. The reversal of 12243235 is 53234221.

12243235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53234221 = 47 ⋅1132643.

It is an interprime number because it is at equal distance from previous prime (12243229) and next prime (12243241).

It is a cyclic number.

It is not a de Polignac number, because 12243235 - 2³ = 12243227 is a prime.

It is a Duffinian 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, 1224319 + ... + 1224328.

It is an arithmetic number, because the mean of its divisors is an integer number (3672972).

Almost surely, 2^12243235 is an apocalyptic number.

12243235 is a deficient number, since it is larger than the sum of its proper divisors (2448653).

12243235 is an equidigital number, since it uses as much as digits as its factorization.

12243235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448652.

The product of its digits is 1440, while the sum is 22.

The square root of 12243235 is about 3499.0334379654. The cubic root of 12243235 is about 230.4793719571.

Adding to 12243235 its reverse (53234221), we get a palindrome (65477456).

The spelling of 12243235 in words is "twelve million, two hundred forty-three thousand, two hundred thirty-five".