12087836 has 24 divisors (see below), whose sum is σ = 21833280. Its totient is φ = 5852672.

The previous prime is 12087793. The next prime is 12087839. The reversal of 12087836 is 63878021.

It is a super-2 number, since 2×12087836² = 292231558325792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12087796 and 12087805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12087839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20960 + ... + 21528.

It is an arithmetic number, because the mean of its divisors is an integer number (909720).

Almost surely, 2^12087836 is an apocalyptic number.

It is an amenable number.

12087836 is a deficient number, since it is larger than the sum of its proper divisors (9745444).

12087836 is a wasteful number, since it uses less digits than its factorization.

12087836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 12087836 is about 3476.7565344729. The cubic root of 12087836 is about 229.5000862283.

The spelling of 12087836 in words is "twelve million, eighty-seven thousand, eight hundred thirty-six".