12073231 has 4 divisors (see below), whose sum is σ = 12080200. Its totient is φ = 12066264.

The previous prime is 12073223. The next prime is 12073249. The reversal of 12073231 is 13237021.

12073231 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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12073231 - 2³ = 12073223 is a prime.

It is a super-2 number, since 2×12073231² = 291525813558722, 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 = 12073199 and 12073208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12070231) 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, 1360 + ... + 5098.

It is an arithmetic number, because the mean of its divisors is an integer number (3020050).

Almost surely, 2^12073231 is an apocalyptic number.

12073231 is a deficient number, since it is larger than the sum of its proper divisors (6969).

12073231 is an equidigital number, since it uses as much as digits as its factorization.

12073231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6968.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 12073231 is about 3474.6555224943. The cubic root of 12073231 is about 229.4076186266.

The spelling of 12073231 in words is "twelve million, seventy-three thousand, two hundred thirty-one".