2087812 has 12 divisors (see below), whose sum is σ = 3700480. Its totient is φ = 1030536.

The previous prime is 2087809. The next prime is 2087831. The reversal of 2087812 is 2187802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2988 + ... + 3619.

2^2087812 is an apocalyptic number.

It is an amenable number.

2087812 is a deficient number, since it is larger than the sum of its proper divisors (1612668).

2087812 is a wasteful number, since it uses less digits than its factorization.

2087812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6690 (or 6688 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 2087812 is about 1444.9262956982. The cubic root of 2087812 is about 127.8096944146.

The spelling of 2087812 in words is "two million, eighty-seven thousand, eight hundred twelve".