12147263 has 2 divisors, whose sum is σ = 12147264. Its totient is φ = 12147262.

The previous prime is 12147221. The next prime is 12147269. The reversal of 12147263 is 36274121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12147263 - 2⁸ = 12147007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12147269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6073631 + 6073632.

It is an arithmetic number, because the mean of its divisors is an integer number (6073632).

Almost surely, 2^12147263 is an apocalyptic number.

12147263 is a deficient number, since it is larger than the sum of its proper divisors (1).

12147263 is an equidigital number, since it uses as much as digits as its factorization.

12147263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 12147263 is about 3485.2923837176. The cubic root of 12147263 is about 229.8755659615.

The spelling of 12147263 in words is "twelve million, one hundred forty-seven thousand, two hundred sixty-three".