12810231 has 48 divisors (see below), whose sum is σ = 23272704. Its totient is φ = 6873984.

The previous prime is 12810229. The next prime is 12810247. The reversal of 12810231 is 13201821.

It is not a de Polignac number, because 12810231 - 2¹ = 12810229 is a prime.

It is a super-2 number, since 2×12810231² = 328204036546722, which contains 22 as substring.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12810211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28696 + ... + 29138.

It is an arithmetic number, because the mean of its divisors is an integer number (484848).

Almost surely, 2^12810231 is an apocalyptic number.

12810231 is a deficient number, since it is larger than the sum of its proper divisors (10462473).

12810231 is an equidigital number, since it uses as much as digits as its factorization.

12810231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 12810231 is about 3579.1383041173. The cubic root of 12810231 is about 233.9837266790.

It can be divided in two parts, 12810 and 231, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 12810231 in words is "twelve million, eight hundred ten thousand, two hundred thirty-one".