12244345 has 4 divisors (see below), whose sum is σ = 14693220. Its totient is φ = 9795472.

The previous prime is 12244343. The next prime is 12244357. The reversal of 12244345 is 54344221.

It is a happy number.

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 9174841 + 3069504 = 3029^2 + 1752^2 .

It is a cyclic number.

It is not a de Polignac number, because 12244345 - 2¹ = 12244343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12244343) 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, 1224430 + ... + 1224439.

It is an arithmetic number, because the mean of its divisors is an integer number (3673305).

Almost surely, 2^12244345 is an apocalyptic number.

It is an amenable number.

12244345 is a deficient number, since it is larger than the sum of its proper divisors (2448875).

12244345 is an equidigital number, since it uses as much as digits as its factorization.

12244345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448874.

The product of its digits is 3840, while the sum is 25.

The square root of 12244345 is about 3499.1920496023. The cubic root of 12244345 is about 230.4863370109.

Adding to 12244345 its reverse (54344221), we get a palindrome (66588566).

The spelling of 12244345 in words is "twelve million, two hundred forty-four thousand, three hundred forty-five".