16858012 has 6 divisors (see below), whose sum is σ = 29501528. Its totient is φ = 8429004.

The previous prime is 16858003. The next prime is 16858031. The reversal of 16858012 is 21085861.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2107248 + ... + 2107255.

Almost surely, 2^16858012 is an apocalyptic number.

It is an amenable number.

16858012 is a deficient number, since it is larger than the sum of its proper divisors (12643516).

16858012 is a wasteful number, since it uses less digits than its factorization.

16858012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4214507 (or 4214505 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 16858012 is about 4105.8509471241. The cubic root of 16858012 is about 256.4102917802.

The spelling of 16858012 in words is "sixteen million, eight hundred fifty-eight thousand, twelve".