12316407 has 4 divisors (see below), whose sum is σ = 16421880. Its totient is φ = 8210936.

The previous prime is 12316399. The next prime is 12316411. The reversal of 12316407 is 70461321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12316407 - 2³ = 12316399 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12316457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2052732 + ... + 2052737.

It is an arithmetic number, because the mean of its divisors is an integer number (4105470).

Almost surely, 2^12316407 is an apocalyptic number.

12316407 is a deficient number, since it is larger than the sum of its proper divisors (4105473).

12316407 is an equidigital number, since it uses as much as digits as its factorization.

12316407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105472.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 12316407 is about 3509.4738921952. The cubic root of 12316407 is about 230.9376155070.

Adding to 12316407 its reverse (70461321), we get a palindrome (82777728).

The spelling of 12316407 in words is "twelve million, three hundred sixteen thousand, four hundred seven".