2104812 has 24 divisors (see below), whose sum is σ = 5457200. Its totient is φ = 701568.

The previous prime is 2104811. The next prime is 2104841. The reversal of 2104812 is 2184012.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2104811) 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, 9637 + ... + 9852.

2^2104812 is an apocalyptic number.

It is an amenable number.

2104812 is an abundant number, since it is smaller than the sum of its proper divisors (3352388).

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

2104812 is a wasteful number, since it uses less digits than its factorization.

2104812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19502 (or 19494 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2104812 is about 1450.7970223295. The cubic root of 2104812 is about 128.1556537403.

Adding to 2104812 its reverse (2184012), we get a palindrome (4288824).

It can be divided in two parts, 2104 and 812, that added together give a square (2916 = 54²).

The spelling of 2104812 in words is "two million, one hundred four thousand, eight hundred twelve".