12047620 has 24 divisors (see below), whose sum is σ = 27246744. Its totient is φ = 4448256.

The previous prime is 12047617. The next prime is 12047621. The reversal of 12047620 is 2674021.

12047620 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 4 ways, for example, as 103684 + 11943936 = 322^2 + 3456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12047591 and 12047600.

It is not an unprimeable number, because it can be changed into a prime (12047621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22909 + ... + 23428.

It is an arithmetic number, because the mean of its divisors is an integer number (1135281).

Almost surely, 2^12047620 is an apocalyptic number.

12047620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12047620 is an abundant number, since it is smaller than the sum of its proper divisors (15199124).

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

12047620 is a wasteful number, since it uses less digits than its factorization.

12047620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46359 (or 46357 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 12047620 is about 3470.9681646480. The cubic root of 12047620 is about 229.2452893132.

The spelling of 12047620 in words is "twelve million, forty-seven thousand, six hundred twenty".