11988307 has 2 divisors, whose sum is σ = 11988308. Its totient is φ = 11988306.

The previous prime is 11988293. The next prime is 11988323. The reversal of 11988307 is 70388911.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11988307 is a prime.

It is not a weakly prime, because it can be changed into another prime (11988367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5994153 + 5994154.

It is an arithmetic number, because the mean of its divisors is an integer number (5994154).

Almost surely, 2^11988307 is an apocalyptic number.

11988307 is a deficient number, since it is larger than the sum of its proper divisors (1).

11988307 is an equidigital number, since it uses as much as digits as its factorization.

11988307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 11988307 is about 3462.4134646226. The cubic root of 11988307 is about 228.8684624353.

The spelling of 11988307 in words is "eleven million, nine hundred eighty-eight thousand, three hundred seven".