16997127 has 32 divisors (see below), whose sum is σ = 28035072. Its totient is φ = 8937984.

The previous prime is 16997111. The next prime is 16997143. The reversal of 16997127 is 72179961.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16997111) and next prime (16997143).

It is not a de Polignac number, because 16997127 - 2⁴ = 16997111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16997107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16273 + ... + 17285.

It is an arithmetic number, because the mean of its divisors is an integer number (876096).

Almost surely, 2^16997127 is an apocalyptic number.

16997127 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

16997127 is a deficient number, since it is larger than the sum of its proper divisors (11037945).

16997127 is a wasteful number, since it uses less digits than its factorization.

16997127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087.

The product of its digits is 47628, while the sum is 42.

The square root of 16997127 is about 4122.7572084710. The cubic root of 16997127 is about 257.1136733635.

The spelling of 16997127 in words is "sixteen million, nine hundred ninety-seven thousand, one hundred twenty-seven".