12316081 has 2 divisors, whose sum is σ = 12316082. Its totient is φ = 12316080.

The previous prime is 12316061. The next prime is 12316091. The reversal of 12316081 is 18061321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10400625 + 1915456 = 3225^2 + 1384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12316081 is a prime.

It is a super-2 number, since 2×12316081² = 303371702397122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12316061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6158040 + 6158041.

It is an arithmetic number, because the mean of its divisors is an integer number (6158041).

Almost surely, 2^12316081 is an apocalyptic number.

It is an amenable number.

12316081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12316081 is an equidigital number, since it uses as much as digits as its factorization.

12316081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 12316081 is about 3509.4274461798. The cubic root of 12316081 is about 230.9355779451.

The spelling of 12316081 in words is "twelve million, three hundred sixteen thousand, eighty-one".