12307345 has 16 divisors (see below), whose sum is σ = 15632640. Its totient is φ = 9275904.

The previous prime is 12307343. The next prime is 12307349. The reversal of 12307345 is 54370321.

It is a cyclic number.

It is not a de Polignac number, because 12307345 - 2¹ = 12307343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12307343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33352 + ... + 33718.

It is an arithmetic number, because the mean of its divisors is an integer number (977040).

Almost surely, 2^12307345 is an apocalyptic number.

It is an amenable number.

12307345 is a deficient number, since it is larger than the sum of its proper divisors (3325295).

12307345 is a wasteful number, since it uses less digits than its factorization.

12307345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 12307345 is about 3508.1825779169. The cubic root of 12307345 is about 230.8809628880.

Adding to 12307345 its reverse (54370321), we get a palindrome (66677666).

The spelling of 12307345 in words is "twelve million, three hundred seven thousand, three hundred forty-five".