12002647 has 2 divisors, whose sum is σ = 12002648. Its totient is φ = 12002646.

The previous prime is 12002609. The next prime is 12002651. The reversal of 12002647 is 74620021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12002647 - 2⁷ = 12002519 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12002657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001323 + 6001324.

It is an arithmetic number, because the mean of its divisors is an integer number (6001324).

Almost surely, 2^12002647 is an apocalyptic number.

12002647 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002647 is an equidigital number, since it uses as much as digits as its factorization.

12002647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 12002647 is about 3464.4836556116. The cubic root of 12002647 is about 228.9596809320.

Adding to 12002647 its reverse (74620021), we get a palindrome (86622668).

The spelling of 12002647 in words is "twelve million, two thousand, six hundred forty-seven".