12253231 has 4 divisors (see below), whose sum is σ = 12283600. Its totient is φ = 12222864.

The previous prime is 12253217. The next prime is 12253247. The reversal of 12253231 is 13235221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12253231 is a prime.

It is a super-2 number, since 2×12253231² = 300283339878722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12253199 and 12253208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12253211) 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, 14571 + ... + 15388.

It is an arithmetic number, because the mean of its divisors is an integer number (3070900).

Almost surely, 2^12253231 is an apocalyptic number.

12253231 is a deficient number, since it is larger than the sum of its proper divisors (30369).

12253231 is an equidigital number, since it uses as much as digits as its factorization.

12253231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30368.

The product of its digits is 360, while the sum is 19.

The square root of 12253231 is about 3500.4615409971. The cubic root of 12253231 is about 230.5420799229.

Adding to 12253231 its reverse (13235221), we get a palindrome (25488452).

The spelling of 12253231 in words is "twelve million, two hundred fifty-three thousand, two hundred thirty-one".