16887412 has 12 divisors (see below), whose sum is σ = 29640100. Its totient is φ = 8418816.

The previous prime is 16887389. The next prime is 16887413. The reversal of 16887412 is 21478861.

It can be written as a sum of positive squares in 2 ways, for example, as 5354596 + 11532816 = 2314^2 + 3396^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16887413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4653 + ... + 7444.

Almost surely, 2^16887412 is an apocalyptic number.

It is an amenable number.

16887412 is a deficient number, since it is larger than the sum of its proper divisors (12752688).

16887412 is a wasteful number, since it uses less digits than its factorization.

16887412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12450 (or 12448 counting only the distinct ones).

The product of its digits is 21504, while the sum is 37.

The square root of 16887412 is about 4109.4296441234. The cubic root of 16887412 is about 256.5592631716.

The spelling of 16887412 in words is "sixteen million, eight hundred eighty-seven thousand, four hundred twelve".