12407147 has 2 divisors, whose sum is σ = 12407148. Its totient is φ = 12407146.

The previous prime is 12407119. The next prime is 12407149. The reversal of 12407147 is 74170421.

12407147 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12407147 - 2¹² = 12403051 is a prime.

Together with 12407149, 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 (12407149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6203573 + 6203574.

It is an arithmetic number, because the mean of its divisors is an integer number (6203574).

Almost surely, 2^12407147 is an apocalyptic number.

12407147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12407147 is an equidigital number, since it uses as much as digits as its factorization.

12407147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 12407147 is about 3522.3780319551. The cubic root of 12407147 is about 231.5033656429.

Adding to 12407147 its reverse (74170421), we get a palindrome (86577568).

The spelling of 12407147 in words is "twelve million, four hundred seven thousand, one hundred forty-seven".