16871297 has 16 divisors (see below), whose sum is σ = 18495360. Its totient is φ = 15334272.

The previous prime is 16871291. The next prime is 16871299. The reversal of 16871297 is 79217861.

It is a cyclic number.

It is not a de Polignac number, because 16871297 - 2¹⁴ = 16854913 is a prime.

Its product of digits (42336) is a multiple of the sum of its prime divisors (392).

It is not an unprimeable number, because it can be changed into a prime (16871291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72293 + ... + 72525.

It is an arithmetic number, because the mean of its divisors is an integer number (1155960).

Almost surely, 2^16871297 is an apocalyptic number.

It is an amenable number.

16871297 is a deficient number, since it is larger than the sum of its proper divisors (1624063).

16871297 is a wasteful number, since it uses less digits than its factorization.

16871297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392.

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

The square root of 16871297 is about 4107.4684417534. The cubic root of 16871297 is about 256.4776290262.

The spelling of 16871297 in words is "sixteen million, eight hundred seventy-one thousand, two hundred ninety-seven".