12089040 has 80 divisors (see below), whose sum is σ = 39693888. Its totient is φ = 3033088.

The previous prime is 12088991. The next prime is 12089059. The reversal of 12089040 is 4098021.

12089040 is digitally balanced in base 2 and base 4, because in such bases 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 (80).

It is a super-2 number, since 2×12089040² = 292289776243200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12089040.

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, 2599 + ... + 5561.

Almost surely, 2^12089040 is an apocalyptic number.

12089040 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 12089040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19846944).

12089040 is an abundant number, since it is smaller than the sum of its proper divisors (27604848).

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

12089040 is a wasteful number, since it uses less digits than its factorization.

12089040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2996 (or 2990 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 12089040 is about 3476.9296800482. The cubic root of 12089040 is about 229.5077057043.

The spelling of 12089040 in words is "twelve million, eighty-nine thousand, forty".