12047320 has 16 divisors (see below), whose sum is σ = 27106560. Its totient is φ = 4818912.

The previous prime is 12047309. The next prime is 12047323. The reversal of 12047320 is 2374021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12047323) 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, 150552 + ... + 150631.

It is an arithmetic number, because the mean of its divisors is an integer number (1694160).

Almost surely, 2^12047320 is an apocalyptic number.

12047320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12047320 is an abundant number, since it is smaller than the sum of its proper divisors (15059240).

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

12047320 is a wasteful number, since it uses less digits than its factorization.

12047320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301194 (or 301190 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 12047320 is about 3470.9249487709. The cubic root of 12047320 is about 229.2433864710.

The spelling of 12047320 in words is "twelve million, forty-seven thousand, three hundred twenty".