12343445 has 16 divisors (see below), whose sum is σ = 16511040. Its totient is φ = 8803584.

The previous prime is 12343439. The next prime is 12343447. The reversal of 12343445 is 54434321.

12343445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12343445 - 2⁸ = 12343189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12343447) 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, 2207 + ... + 5436.

It is an arithmetic number, because the mean of its divisors is an integer number (1031940).

Almost surely, 2^12343445 is an apocalyptic number.

It is an amenable number.

12343445 is a deficient number, since it is larger than the sum of its proper divisors (4167595).

12343445 is a wasteful number, since it uses less digits than its factorization.

12343445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7684.

The product of its digits is 5760, while the sum is 26.

The square root of 12343445 is about 3513.3239247186. The cubic root of 12343445 is about 231.1064831438.

Adding to 12343445 its reverse (54434321), we get a palindrome (66777766).

The spelling of 12343445 in words is "twelve million, three hundred forty-three thousand, four hundred forty-five".