12452147 has 2 divisors, whose sum is σ = 12452148. Its totient is φ = 12452146.

The previous prime is 12452137. The next prime is 12452149. The reversal of 12452147 is 74125421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12452147 - 2¹⁶ = 12386611 is a prime.

Together with 12452149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12452149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226073 + 6226074.

It is an arithmetic number, because the mean of its divisors is an integer number (6226074).

Almost surely, 2^12452147 is an apocalyptic number.

12452147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12452147 is an equidigital number, since it uses as much as digits as its factorization.

12452147 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 12452147 is about 3528.7599805031. The cubic root of 12452147 is about 231.7829110273.

Adding to 12452147 its reverse (74125421), we get a palindrome (86577568).

The spelling of 12452147 in words is "twelve million, four hundred fifty-two thousand, one hundred forty-seven".