12019040 has 48 divisors (see below), whose sum is σ = 30980880. Its totient is φ = 4369920.

The previous prime is 12019009. The next prime is 12019069. The reversal of 12019040 is 4091021.

It is a happy number.

12019040 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 7 ways as a sum of consecutive naturals, for example, 1655 + ... + 5174.

It is an arithmetic number, because the mean of its divisors is an integer number (645435).

Almost surely, 2^12019040 is an apocalyptic number.

12019040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12019040 is an abundant number, since it is smaller than the sum of its proper divisors (18961840).

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

12019040 is a wasteful number, since it uses less digits than its factorization.

12019040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6855 (or 6847 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 12019040 is about 3466.8487131688. The cubic root of 12019040 is about 229.0638698551.

The spelling of 12019040 in words is "twelve million, nineteen thousand, forty".