12040860 has 96 divisors (see below), whose sum is σ = 37255680. Its totient is φ = 2886912.

The previous prime is 12040843. The next prime is 12040871. The reversal of 12040860 is 6804021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33361 + ... + 33719.

It is an arithmetic number, because the mean of its divisors is an integer number (388080).

Almost surely, 2^12040860 is an apocalyptic number.

12040860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12040860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18627840).

12040860 is an abundant number, since it is smaller than the sum of its proper divisors (25214820).

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

12040860 is a wasteful number, since it uses less digits than its factorization.

12040860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 12040860 is about 3469.9942363065. The cubic root of 12040860 is about 229.2024042705.

Adding to 12040860 its reverse (6804021), we get a palindrome (18844881).

The spelling of 12040860 in words is "twelve million, forty thousand, eight hundred sixty".