12237231 has 8 divisors (see below), whose sum is σ = 16335280. Its totient is φ = 8148672.

The previous prime is 12237227. The next prime is 12237287. The reversal of 12237231 is 13273221.

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

It is not a de Polignac number, because 12237231 - 2² = 12237227 is a prime.

It is a super-2 number, since 2×12237231² = 299499645094722, 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 = 12237198 and 12237207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12237031) 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, 1581 + ... + 5193.

It is an arithmetic number, because the mean of its divisors is an integer number (2041910).

Almost surely, 2^12237231 is an apocalyptic number.

12237231 is a deficient number, since it is larger than the sum of its proper divisors (4098049).

12237231 is a wasteful number, since it uses less digits than its factorization.

12237231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745.

The product of its digits is 504, while the sum is 21.

The square root of 12237231 is about 3498.1753815382. The cubic root of 12237231 is about 230.4416906195.

The spelling of 12237231 in words is "twelve million, two hundred thirty-seven thousand, two hundred thirty-one".