16897127 has 8 divisors (see below), whose sum is σ = 18306960. Its totient is φ = 15595320.

The previous prime is 16897103. The next prime is 16897129. The reversal of 16897127 is 72179861.

It is not a de Polignac number, because 16897127 - 2¹² = 16893031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16897129) 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 7 ways as a sum of consecutive naturals, for example, 1649 + ... + 6042.

It is an arithmetic number, because the mean of its divisors is an integer number (2288370).

Almost surely, 2^16897127 is an apocalyptic number.

16897127 is a deficient number, since it is larger than the sum of its proper divisors (1409833).

16897127 is an frugal number, since it uses more digits than its factorization.

16897127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7730 (or 7704 counting only the distinct ones).

The product of its digits is 42336, while the sum is 41.

The square root of 16897127 is about 4110.6115116853. The cubic root of 16897127 is about 256.6084515935.

The spelling of 16897127 in words is "sixteen million, eight hundred ninety-seven thousand, one hundred twenty-seven".