12412457 has 2 divisors, whose sum is σ = 12412458. Its totient is φ = 12412456.

The previous prime is 12412451. The next prime is 12412469. The reversal of 12412457 is 75421421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8185321 + 4227136 = 2861^2 + 2056^2 .

It is an emirp because it is prime and its reverse (75421421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12412457 - 2¹⁰ = 12411433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12412451) 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 as a sum of consecutive naturals, namely, 6206228 + 6206229.

It is an arithmetic number, because the mean of its divisors is an integer number (6206229).

Almost surely, 2^12412457 is an apocalyptic number.

It is an amenable number.

12412457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12412457 is an equidigital number, since it uses as much as digits as its factorization.

12412457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2240, while the sum is 26.

The square root of 12412457 is about 3523.1317034706. The cubic root of 12412457 is about 231.5363871357.

Adding to 12412457 its reverse (75421421), we get a palindrome (87833878).

The spelling of 12412457 in words is "twelve million, four hundred twelve thousand, four hundred fifty-seven".