12340307 has 6 divisors (see below), whose sum is σ = 14355108. Its totient is φ = 10577364.

The previous prime is 12340271. The next prime is 12340309. The reversal of 12340307 is 70304321.

12340307 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12340307 is a prime.

It is a Duffinian number.

12340307 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (12340309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125873 + ... + 125970.

It is an arithmetic number, because the mean of its divisors is an integer number (2392518).

Almost surely, 2^12340307 is an apocalyptic number.

12340307 is a deficient number, since it is larger than the sum of its proper divisors (2014801).

12340307 is an equidigital number, since it uses as much as digits as its factorization.

12340307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251857 (or 251850 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 12340307 is about 3512.8773106956. The cubic root of 12340307 is about 231.0868972122.

Adding to 12340307 its reverse (70304321), we get a palindrome (82644628).

The spelling of 12340307 in words is "twelve million, three hundred forty thousand, three hundred seven".