16447113 has 12 divisors (see below), whose sum is σ = 24310000. Its totient is φ = 10709496.

The previous prime is 16447091. The next prime is 16447157. The reversal of 16447113 is 31174461.

It is a happy number.

16447113 is a `hidden beast` number, since 1 + 644 + 7 + 1 + 13 = 666.

It is not a de Polignac number, because 16447113 - 2⁶ = 16447049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16447183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20863 + ... + 21636.

Almost surely, 2^16447113 is an apocalyptic number.

It is an amenable number.

16447113 is a deficient number, since it is larger than the sum of its proper divisors (7862887).

16447113 is a wasteful number, since it uses less digits than its factorization.

16447113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42548 (or 42545 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 16447113 is about 4055.5040377245. The cubic root of 16447113 is about 254.3098755906.

The spelling of 16447113 in words is "sixteen million, four hundred forty-seven thousand, one hundred thirteen".