12047680 has 28 divisors (see below), whose sum is σ = 28689300. Its totient is φ = 4818944.

The previous prime is 12047669. The next prime is 12047689. The reversal of 12047680 is 8674021.

12047680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8573184 + 3474496 = 2928^2 + 1864^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12047689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18505 + ... + 19144.

Almost surely, 2^12047680 is an apocalyptic number.

12047680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12047680 is an abundant number, since it is smaller than the sum of its proper divisors (16641620).

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

12047680 is an equidigital number, since it uses as much as digits as its factorization.

12047680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37666 (or 37656 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 12047680 is about 3470.9768077589. The cubic root of 12047680 is about 229.2456698778.

The spelling of 12047680 in words is "twelve million, forty-seven thousand, six hundred eighty".