11998127 has 2 divisors, whose sum is σ = 11998128. Its totient is φ = 11998126.

The previous prime is 11998123. The next prime is 11998153. The reversal of 11998127 is 72189911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11998127 - 2² = 11998123 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11998121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5999063 + 5999064.

It is an arithmetic number, because the mean of its divisors is an integer number (5999064).

Almost surely, 2^11998127 is an apocalyptic number.

11998127 is a deficient number, since it is larger than the sum of its proper divisors (1).

11998127 is an equidigital number, since it uses as much as digits as its factorization.

11998127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 38.

The square root of 11998127 is about 3463.8312603243. The cubic root of 11998127 is about 228.9309365032.

The spelling of 11998127 in words is "eleven million, nine hundred ninety-eight thousand, one hundred twenty-seven".