41812 has 6 divisors (see below), whose sum is σ = 73178. Its totient is φ = 20904.

The previous prime is 41809. The next prime is 41813. The reversal of 41812 is 21814.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41616 + 196 = 204^2 + 14^2 .

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5223 + ... + 5230.

2⁴¹⁸¹² is an apocalyptic number.

It is an amenable number.

41812 is a deficient number, since it is larger than the sum of its proper divisors (31366).

41812 is a wasteful number, since it uses less digits than its factorization.

41812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10457 (or 10455 counting only the distinct ones).

The product of its digits is 64, while the sum is 16.

The square root of 41812 is about 204.4798278560. The cubic root of 41812 is about 34.7083243461.

The spelling of 41812 in words is "forty-one thousand, eight hundred twelve".