12081480 has 64 divisors (see below), whose sum is σ = 36711360. Its totient is φ = 3180288.

The previous prime is 12081479. The next prime is 12081481. The reversal of 12081480 is 8418021.

It is an interprime number because it is at equal distance from previous prime (12081479) and next prime (12081481).

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 12081480.

It is not an unprimeable number, because it can be changed into a prime (12081481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9354 + ... + 10566.

It is an arithmetic number, because the mean of its divisors is an integer number (573615).

Almost surely, 2^12081480 is an apocalyptic number.

12081480 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 12081480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18355680).

12081480 is an abundant number, since it is smaller than the sum of its proper divisors (24629880).

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

12081480 is a wasteful number, since it uses less digits than its factorization.

12081480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310 (or 1306 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 12081480 is about 3475.8423439506. The cubic root of 12081480 is about 229.4598540948.

It can be divided in two parts, 12081 and 480, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 12081480 in words is "twelve million, eighty-one thousand, four hundred eighty".