12007947 has 16 divisors (see below), whose sum is σ = 18348032. Its totient is φ = 6842880.

The previous prime is 12007939. The next prime is 12007999. The reversal of 12007947 is 74970021.

It is not a de Polignac number, because 12007947 - 2³ = 12007939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12007907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11622 + ... + 12612.

It is an arithmetic number, because the mean of its divisors is an integer number (1146752).

Almost surely, 2^12007947 is an apocalyptic number.

12007947 is a deficient number, since it is larger than the sum of its proper divisors (6340085).

12007947 is an equidigital number, since it uses as much as digits as its factorization.

12007947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 12007947 is about 3465.2484759394. The cubic root of 12007947 is about 228.9933764921.

Adding to 12007947 its reverse (74970021), we get a palindrome (86977968).

The spelling of 12007947 in words is "twelve million, seven thousand, nine hundred forty-seven".