12412257 has 16 divisors (see below), whose sum is σ = 19443648. Its totient is φ = 6943680.

The previous prime is 12412241. The next prime is 12412271. The reversal of 12412257 is 75221421.

12412257 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12412257 - 2⁴ = 12412241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12412237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14038 + ... + 14895.

It is an arithmetic number, because the mean of its divisors is an integer number (1215228).

Almost surely, 2^12412257 is an apocalyptic number.

It is an amenable number.

12412257 is a deficient number, since it is larger than the sum of its proper divisors (7031391).

12412257 is a wasteful number, since it uses less digits than its factorization.

12412257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28960.

The product of its digits is 1120, while the sum is 24.

The square root of 12412257 is about 3523.1033195182. The cubic root of 12412257 is about 231.5351435590.

Adding to 12412257 its reverse (75221421), we get a palindrome (87633678).

The spelling of 12412257 in words is "twelve million, four hundred twelve thousand, two hundred fifty-seven".