12054240 has 144 divisors (see below), whose sum is σ = 44933616. Its totient is φ = 2918400.

The previous prime is 12054199. The next prime is 12054247. The reversal of 12054240 is 4245021.

12054240 is a `hidden beast` number, since 120 + 542 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12054247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15460 + ... + 16220.

It is an arithmetic number, because the mean of its divisors is an integer number (312039).

Almost surely, 2^12054240 is an apocalyptic number.

12054240 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 12054240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22466808).

12054240 is an abundant number, since it is smaller than the sum of its proper divisors (32879376).

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

12054240 is a wasteful number, since it uses less digits than its factorization.

12054240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 12054240 is about 3471.9216581023. The cubic root of 12054240 is about 229.2872706598.

Adding to 12054240 its reverse (4245021), we get a palindrome (16299261).

It can be divided in two parts, 1205 and 4240, that added together give a palindrome (5445).

The spelling of 12054240 in words is "twelve million, fifty-four thousand, two hundred forty".