16973712 has 100 divisors (see below), whose sum is σ = 56174976. Its totient is φ = 4847040.

The previous prime is 16973699. The next prime is 16973743. The reversal of 16973712 is 21737961.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8137 + ... + 10007.

Almost surely, 2^16973712 is an apocalyptic number.

16973712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16973712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28087488).

16973712 is an abundant number, since it is smaller than the sum of its proper divisors (39201264).

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

16973712 is a wasteful number, since it uses less digits than its factorization.

16973712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898 (or 1883 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 16973712 is about 4119.9165040083. The cubic root of 16973712 is about 256.9955537291.

The spelling of 16973712 in words is "sixteen million, nine hundred seventy-three thousand, seven hundred twelve".