12341345 has 4 divisors (see below), whose sum is σ = 14809620. Its totient is φ = 9873072.

The previous prime is 12341341. The next prime is 12341359. The reversal of 12341345 is 54314321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8952064 + 3389281 = 2992^2 + 1841^2 .

It is a cyclic number.

It is not a de Polignac number, because 12341345 - 2² = 12341341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12341345.

It is not an unprimeable number, because it can be changed into a prime (12341341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1234130 + ... + 1234139.

It is an arithmetic number, because the mean of its divisors is an integer number (3702405).

Almost surely, 2^12341345 is an apocalyptic number.

It is an amenable number.

12341345 is a deficient number, since it is larger than the sum of its proper divisors (2468275).

12341345 is an equidigital number, since it uses as much as digits as its factorization.

12341345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468274.

The product of its digits is 1440, while the sum is 23.

The square root of 12341345 is about 3513.0250497257. The cubic root of 12341345 is about 231.0933762912.

Adding to 12341345 its reverse (54314321), we get a palindrome (66655666).

The spelling of 12341345 in words is "twelve million, three hundred forty-one thousand, three hundred forty-five".