12067440 has 160 divisors (see below), whose sum is σ = 46711296. Its totient is φ = 2503680.

The previous prime is 12067427. The next prime is 12067441. The reversal of 12067440 is 4476021.

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 12067440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12067441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18154 + ... + 18806.

Almost surely, 2^12067440 is an apocalyptic number.

12067440 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 12067440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23355648).

12067440 is an abundant number, since it is smaller than the sum of its proper divisors (34643856).

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

12067440 is a wasteful number, since it uses less digits than its factorization.

12067440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 12067440 is about 3473.8221025263. The cubic root of 12067440 is about 229.3709338324.

It can be divided in two parts, 1206 and 7440, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 12067440 in words is "twelve million, sixty-seven thousand, four hundred forty".