12306831 has 8 divisors (see below), whose sum is σ = 16593840. Its totient is φ = 8112192.

The previous prime is 12306803. The next prime is 12306839. The reversal of 12306831 is 13860321.

12306831 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12306831 - 2¹¹ = 12304783 is a prime.

It is a super-2 number, since 2×12306831² = 302916178525122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12306839) 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, 22780 + ... + 23313.

It is an arithmetic number, because the mean of its divisors is an integer number (2074230).

Almost surely, 2^12306831 is an apocalyptic number.

12306831 is a deficient number, since it is larger than the sum of its proper divisors (4287009).

12306831 is an equidigital number, since it uses as much as digits as its factorization.

12306831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46185.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 12306831 is about 3508.1093198474. The cubic root of 12306831 is about 230.8777486971.

The spelling of 12306831 in words is "twelve million, three hundred six thousand, eight hundred thirty-one".