12119647 has 2 divisors, whose sum is σ = 12119648. Its totient is φ = 12119646.

The previous prime is 12119621. The next prime is 12119659. The reversal of 12119647 is 74691121.

12119647 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 12119647 - 2⁷ = 12119519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12119677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6059823 + 6059824.

It is an arithmetic number, because the mean of its divisors is an integer number (6059824).

Almost surely, 2^12119647 is an apocalyptic number.

12119647 is a deficient number, since it is larger than the sum of its proper divisors (1).

12119647 is an equidigital number, since it uses as much as digits as its factorization.

12119647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 31.

The square root of 12119647 is about 3481.3283384364. The cubic root of 12119647 is about 229.7012314773.

The spelling of 12119647 in words is "twelve million, one hundred nineteen thousand, six hundred forty-seven".