11999927 has 2 divisors, whose sum is σ = 11999928. Its totient is φ = 11999926.

The previous prime is 11999903. The next prime is 11999929. The reversal of 11999927 is 72999911.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11999927 - 2¹² = 11995831 is a prime.

Together with 11999929, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11999929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5999963 + 5999964.

It is an arithmetic number, because the mean of its divisors is an integer number (5999964).

Almost surely, 2^11999927 is an apocalyptic number.

11999927 is a deficient number, since it is larger than the sum of its proper divisors (1).

11999927 is an equidigital number, since it uses as much as digits as its factorization.

11999927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91854, while the sum is 47.

The square root of 11999927 is about 3464.0910784793. The cubic root of 11999927 is about 228.9423842645.

The spelling of 11999927 in words is "eleven million, nine hundred ninety-nine thousand, nine hundred twenty-seven".