16812542 has 8 divisors (see below), whose sum is σ = 25834032. Its totient is φ = 8201200.

The previous prime is 16812539. The next prime is 16812577. The reversal of 16812542 is 24521861.

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 102434 + ... + 102597.

It is an arithmetic number, because the mean of its divisors is an integer number (3229254).

Almost surely, 2^16812542 is an apocalyptic number.

16812542 is a deficient number, since it is larger than the sum of its proper divisors (9021490).

16812542 is a wasteful number, since it uses less digits than its factorization.

16812542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205074.

The product of its digits is 3840, while the sum is 29.

The square root of 16812542 is about 4100.3099882814. The cubic root of 16812542 is about 256.1795513656.

The spelling of 16812542 in words is "sixteen million, eight hundred twelve thousand, five hundred forty-two".