12078047 has 2 divisors, whose sum is σ = 12078048. Its totient is φ = 12078046.

The previous prime is 12078043. The next prime is 12078049. The reversal of 12078047 is 74087021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12078047 - 2² = 12078043 is a prime.

Together with 12078049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12078043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6039023 + 6039024.

It is an arithmetic number, because the mean of its divisors is an integer number (6039024).

Almost surely, 2^12078047 is an apocalyptic number.

12078047 is a deficient number, since it is larger than the sum of its proper divisors (1).

12078047 is an equidigital number, since it uses as much as digits as its factorization.

12078047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 12078047 is about 3475.3484717363. The cubic root of 12078047 is about 229.4381180629.

The spelling of 12078047 in words is "twelve million, seventy-eight thousand, forty-seven".