16729912 has 8 divisors (see below), whose sum is σ = 31368600. Its totient is φ = 8364952.

The previous prime is 16729907. The next prime is 16729913. The reversal of 16729912 is 21992761.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16729913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045612 + ... + 1045627.

It is an arithmetic number, because the mean of its divisors is an integer number (3921075).

Almost surely, 2^16729912 is an apocalyptic number.

It is an amenable number.

16729912 is a deficient number, since it is larger than the sum of its proper divisors (14638688).

16729912 is a wasteful number, since it uses less digits than its factorization.

16729912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091245 (or 2091241 counting only the distinct ones).

The product of its digits is 13608, while the sum is 37.

The square root of 16729912 is about 4090.2215098941. The cubic root of 16729912 is about 255.7591729317.

The spelling of 16729912 in words is "sixteen million, seven hundred twenty-nine thousand, nine hundred twelve".