12307008 has 56 divisors (see below), whose sum is σ = 37218112. Its totient is φ = 3515904.

The previous prime is 12307007. The next prime is 12307013. The reversal of 12307008 is 80070321.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12307007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3235 + ... + 5922.

Almost surely, 2^12307008 is an apocalyptic number.

It is an amenable number.

12307008 is an abundant number, since it is smaller than the sum of its proper divisors (24911104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12307008 is an equidigital number, since it uses as much as digits as its factorization.

12307008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9179 (or 9169 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 12307008 is about 3508.1345470207. The cubic root of 12307008 is about 230.8788555395.

Adding to 12307008 its reverse (80070321), we get a palindrome (92377329).

The spelling of 12307008 in words is "twelve million, three hundred seven thousand, eight".