12043140 has 48 divisors (see below), whose sum is σ = 35707392. Its totient is φ = 3022336.

The previous prime is 12043117. The next prime is 12043151. The reversal of 12043140 is 4134021.

12043140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 4884 + ... + 6923.

It is an arithmetic number, because the mean of its divisors is an integer number (743904).

Almost surely, 2^12043140 is an apocalyptic number.

12043140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12043140 is an abundant number, since it is smaller than the sum of its proper divisors (23664252).

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

12043140 is a wasteful number, since it uses less digits than its factorization.

12043140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11836 (or 11834 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12043140 is about 3470.3227515607. The cubic root of 12043140 is about 229.2168702499.

Adding to 12043140 its reverse (4134021), we get a palindrome (16177161).

The spelling of 12043140 in words is "twelve million, forty-three thousand, one hundred forty".