12335231 has 4 divisors (see below), whose sum is σ = 12457464. Its totient is φ = 12213000.

The previous prime is 12335227. The next prime is 12335243. The reversal of 12335231 is 13253321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13253321 = 101 ⋅131221.

It is a cyclic number.

It is not a de Polignac number, because 12335231 - 2² = 12335227 is a prime.

It is a super-2 number, since 2×12335231² = 304315847646722, 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 (12335201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60965 + ... + 61166.

It is an arithmetic number, because the mean of its divisors is an integer number (3114366).

Almost surely, 2^12335231 is an apocalyptic number.

12335231 is a deficient number, since it is larger than the sum of its proper divisors (122233).

12335231 is a wasteful number, since it uses less digits than its factorization.

12335231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122232.

The product of its digits is 540, while the sum is 20.

The square root of 12335231 is about 3512.1547517158. The cubic root of 12335231 is about 231.0552081583.

Adding to 12335231 its reverse (13253321), we get a palindrome (25588552).

The spelling of 12335231 in words is "twelve million, three hundred thirty-five thousand, two hundred thirty-one".