16897120 has 24 divisors (see below), whose sum is σ = 39919824. Its totient is φ = 6758784.

The previous prime is 16897103. The next prime is 16897129. The reversal of 16897120 is 2179861.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52644 + ... + 52963.

It is an arithmetic number, because the mean of its divisors is an integer number (1663326).

Almost surely, 2^16897120 is an apocalyptic number.

16897120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16897120 is an abundant number, since it is smaller than the sum of its proper divisors (23022704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16897120 is a wasteful number, since it uses less digits than its factorization.

16897120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105622 (or 105614 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 16897120 is about 4110.6106602304. The cubic root of 16897120 is about 256.6084161583.

The spelling of 16897120 in words is "sixteen million, eight hundred ninety-seven thousand, one hundred twenty".