12057247 has 2 divisors, whose sum is σ = 12057248. Its totient is φ = 12057246.

The previous prime is 12057203. The next prime is 12057263. The reversal of 12057247 is 74275021.

12057247 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 a de Polignac number, because none of the positive numbers 2^k-12057247 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 (12057347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6028623 + 6028624.

It is an arithmetic number, because the mean of its divisors is an integer number (6028624).

Almost surely, 2^12057247 is an apocalyptic number.

12057247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12057247 is an equidigital number, since it uses as much as digits as its factorization.

12057247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 12057247 is about 3472.3546765848. The cubic root of 12057247 is about 229.3063347540.

The spelling of 12057247 in words is "twelve million, fifty-seven thousand, two hundred forty-seven".