12310871 has 2 divisors, whose sum is σ = 12310872. Its totient is φ = 12310870.

The previous prime is 12310867. The next prime is 12310889. The reversal of 12310871 is 17801321.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (17801321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12310871 - 2² = 12310867 is a prime.

It is a Sophie Germain prime.

It is equal to p₈₀₇₁₁₆ and since 12310871 and 807116 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12310801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155435 + 6155436.

It is an arithmetic number, because the mean of its divisors is an integer number (6155436).

Almost surely, 2^12310871 is an apocalyptic number.

12310871 is a deficient number, since it is larger than the sum of its proper divisors (1).

12310871 is an equidigital number, since it uses as much as digits as its factorization.

12310871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 12310871 is about 3508.6850813375. The cubic root of 12310871 is about 230.9030095748.

The spelling of 12310871 in words is "twelve million, three hundred ten thousand, eight hundred seventy-one".