12432245 has 16 divisors (see below), whose sum is σ = 17107200. Its totient is φ = 8496384.

The previous prime is 12432241. The next prime is 12432247. The reversal of 12432245 is 54223421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12432245 - 2² = 12432241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12432245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432241) 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, 20456 + ... + 21054.

It is an arithmetic number, because the mean of its divisors is an integer number (1069200).

Almost surely, 2^12432245 is an apocalyptic number.

It is an amenable number.

12432245 is a deficient number, since it is larger than the sum of its proper divisors (4674955).

12432245 is an equidigital number, since it uses as much as digits as its factorization.

12432245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204.

The product of its digits is 1920, while the sum is 23.

The square root of 12432245 is about 3525.9388820568. The cubic root of 12432245 is about 231.6593606262.

Adding to 12432245 its reverse (54223421), we get a palindrome (66655666).

The spelling of 12432245 in words is "twelve million, four hundred thirty-two thousand, two hundred forty-five".