16939712 has 28 divisors (see below), whose sum is σ = 34777680. Its totient is φ = 8176896.

The previous prime is 16939711. The next prime is 16939729. The reversal of 16939712 is 21793961.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16939711) 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, 2708 + ... + 6419.

It is an arithmetic number, because the mean of its divisors is an integer number (1242060).

Almost surely, 2^16939712 is an apocalyptic number.

It is an amenable number.

16939712 is an abundant number, since it is smaller than the sum of its proper divisors (17837968).

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

16939712 is an equidigital number, since it uses as much as digits as its factorization.

16939712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9168 (or 9158 counting only the distinct ones).

The product of its digits is 20412, while the sum is 38.

The square root of 16939712 is about 4115.7881383764. The cubic root of 16939712 is about 256.8238433104.

The spelling of 16939712 in words is "sixteen million, nine hundred thirty-nine thousand, seven hundred twelve".