12039040 has 64 divisors (see below), whose sum is σ = 31016160. Its totient is φ = 4442112.

The previous prime is 12039007. The next prime is 12039059. The reversal of 12039040 is 4093021.

12039040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 12038999 and 12039017.

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, 7597 + ... + 9043.

Almost surely, 2^12039040 is an apocalyptic number.

12039040 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 12039040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15508080).

12039040 is an abundant number, since it is smaller than the sum of its proper divisors (18977120).

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

12039040 is a wasteful number, since it uses less digits than its factorization.

12039040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479 (or 1467 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 12039040 is about 3469.7319781217. The cubic root of 12039040 is about 229.1908555551.

The spelling of 12039040 in words is "twelve million, thirty-nine thousand, forty".