12327457 has 2 divisors, whose sum is σ = 12327458. Its totient is φ = 12327456.

The previous prime is 12327451. The next prime is 12327473. The reversal of 12327457 is 75472321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8202496 + 4124961 = 2864^2 + 2031^2 .

It is a cyclic number.

It is not a de Polignac number, because 12327457 - 2¹¹ = 12325409 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12327451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6163728 + 6163729.

It is an arithmetic number, because the mean of its divisors is an integer number (6163729).

Almost surely, 2^12327457 is an apocalyptic number.

It is an amenable number.

12327457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12327457 is an equidigital number, since it uses as much as digits as its factorization.

12327457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 31.

The square root of 12327457 is about 3511.0478492894. The cubic root of 12327457 is about 231.0066588537.

Adding to 12327457 its reverse (75472321), we get a palindrome (87799778).

The spelling of 12327457 in words is "twelve million, three hundred twenty-seven thousand, four hundred fifty-seven".