12327451 has 2 divisors, whose sum is σ = 12327452. Its totient is φ = 12327450.

The previous prime is 12327421. The next prime is 12327457. The reversal of 12327451 is 15472321.

It is a happy number.

12327451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (15472321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12327451 is a prime.

It is not a weakly prime, because it can be changed into another prime (12327457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6163725 + 6163726.

It is an arithmetic number, because the mean of its divisors is an integer number (6163726).

Almost surely, 2^12327451 is an apocalyptic number.

12327451 is a deficient number, since it is larger than the sum of its proper divisors (1).

12327451 is an equidigital number, since it uses as much as digits as its factorization.

12327451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 25.

The square root of 12327451 is about 3511.0469948436. The cubic root of 12327451 is about 231.0066213753.

Adding to 12327451 its reverse (15472321), we get a palindrome (27799772).

The spelling of 12327451 in words is "twelve million, three hundred twenty-seven thousand, four hundred fifty-one".