12681480 has 128 divisors (see below), whose sum is σ = 44974080. Its totient is φ = 2799360.

The previous prime is 12681457. The next prime is 12681499. The reversal of 12681480 is 8418621.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25797 + ... + 26283.

It is an arithmetic number, because the mean of its divisors is an integer number (351360).

Almost surely, 2^12681480 is an apocalyptic number.

12681480 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 12681480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22487040).

12681480 is an abundant number, since it is smaller than the sum of its proper divisors (32292600).

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

12681480 is a wasteful number, since it uses less digits than its factorization.

12681480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 12681480 is about 3561.1065695932. The cubic root of 12681480 is about 233.1971904215.

The spelling of 12681480 in words is "twelve million, six hundred eighty-one thousand, four hundred eighty".