12147011 has 2 divisors, whose sum is σ = 12147012. Its totient is φ = 12147010.

The previous prime is 12147007. The next prime is 12147043. The reversal of 12147011 is 11074121.

12147011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12147011 - 2² = 12147007 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12147001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6073505 + 6073506.

It is an arithmetic number, because the mean of its divisors is an integer number (6073506).

Almost surely, 2^12147011 is an apocalyptic number.

12147011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12147011 is an equidigital number, since it uses as much as digits as its factorization.

12147011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 12147011 is about 3485.2562316134. The cubic root of 12147011 is about 229.8739763292.

The spelling of 12147011 in words is "twelve million, one hundred forty-seven thousand, eleven".