3612812 has 24 divisors (see below), whose sum is σ = 7607040. Its totient is φ = 1466640.

The previous prime is 3612811. The next prime is 3612821. The reversal of 3612812 is 2182163.

It is not an unprimeable number, because it can be changed into a prime (3612811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2864 + ... + 3927.

It is an arithmetic number, because the mean of its divisors is an integer number (316960).

Almost surely, 2^3612812 is an apocalyptic number.

It is an amenable number.

3612812 is an abundant number, since it is smaller than the sum of its proper divisors (3994228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3612812 is a wasteful number, since it uses less digits than its factorization.

3612812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6821 (or 6819 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 3612812 is about 1900.7398559508. The cubic root of 3612812 is about 153.4434852272.

Adding to 3612812 its reverse (2182163), we get a palindrome (5794975).

The spelling of 3612812 in words is "three million, six hundred twelve thousand, eight hundred twelve".