12084040 has 32 divisors (see below), whose sum is σ = 27303480. Its totient is φ = 4813312.

The previous prime is 12084031. The next prime is 12084041. The reversal of 12084040 is 4048021.

It can be written as a sum of positive squares in 4 ways, for example, as 6120676 + 5963364 = 2474^2 + 2442^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12083999 and 12084017.

It is not an unprimeable number, because it can be changed into a prime (12084041) 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, 12204 + ... + 13156.

Almost surely, 2^12084040 is an apocalyptic number.

12084040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12084040 is an abundant number, since it is smaller than the sum of its proper divisors (15219440).

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

12084040 is a wasteful number, since it uses less digits than its factorization.

12084040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281 (or 1277 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 12084040 is about 3476.2105805029. The cubic root of 12084040 is about 229.4760600492.

The spelling of 12084040 in words is "twelve million, eighty-four thousand, forty".