12065231 has 8 divisors (see below), whose sum is σ = 12553728. Its totient is φ = 11583000.

The previous prime is 12065203. The next prime is 12065237. The reversal of 12065231 is 13256021.

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

It is a cyclic number.

It is not a de Polignac number, because 12065231 - 2⁶ = 12065167 is a prime.

It is a super-2 number, since 2×12065231² = 291139598166722, 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 (12065237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2576 + ... + 5546.

It is an arithmetic number, because the mean of its divisors is an integer number (1569216).

Almost surely, 2^12065231 is an apocalyptic number.

12065231 is a deficient number, since it is larger than the sum of its proper divisors (488497).

12065231 is a wasteful number, since it uses less digits than its factorization.

12065231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 12065231 is about 3473.5041384746. The cubic root of 12065231 is about 229.3569371794.

The spelling of 12065231 in words is "twelve million, sixty-five thousand, two hundred thirty-one".