11985263 has 2 divisors, whose sum is σ = 11985264. Its totient is φ = 11985262.

The previous prime is 11985247. The next prime is 11985269. The reversal of 11985263 is 36258911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11985263 - 2⁴ = 11985247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11985269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5992631 + 5992632.

It is an arithmetic number, because the mean of its divisors is an integer number (5992632).

Almost surely, 2^11985263 is an apocalyptic number.

11985263 is a deficient number, since it is larger than the sum of its proper divisors (1).

11985263 is an equidigital number, since it uses as much as digits as its factorization.

11985263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 35.

The square root of 11985263 is about 3461.9738589423. The cubic root of 11985263 is about 228.8490898202.

The spelling of 11985263 in words is "eleven million, nine hundred eighty-five thousand, two hundred sixty-three".