12085140 has 48 divisors (see below), whose sum is σ = 35622720. Its totient is φ = 3052800.

The previous prime is 12085111. The next prime is 12085163. The reversal of 12085140 is 4158021.

12085140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4161 + ... + 6440.

It is an arithmetic number, because the mean of its divisors is an integer number (742140).

Almost surely, 2^12085140 is an apocalyptic number.

12085140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12085140 is an abundant number, since it is smaller than the sum of its proper divisors (23537580).

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

12085140 is a wasteful number, since it uses less digits than its factorization.

12085140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10632 (or 10630 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 12085140 is about 3476.3687951654. The cubic root of 12085140 is about 229.4830228422.

The spelling of 12085140 in words is "twelve million, eighty-five thousand, one hundred forty".