18050812 has 12 divisors (see below), whose sum is σ = 34018936. Its totient is φ = 8331120.

The previous prime is 18050807. The next prime is 18050819. The reversal of 18050812 is 21805081.

It is a hoax number, since the sum of its digits (25) 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 (18050819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173514 + ... + 173617.

Almost surely, 2^18050812 is an apocalyptic number.

It is an amenable number.

18050812 is a deficient number, since it is larger than the sum of its proper divisors (15968124).

18050812 is a wasteful number, since it uses less digits than its factorization.

18050812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347148 (or 347146 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 18050812 is about 4248.6247186590. The cubic root of 18050812 is about 262.3205097995.

Adding to 18050812 its reverse (21805081), we get a palindrome (39855893).

The spelling of 18050812 in words is "eighteen million, fifty thousand, eight hundred twelve".