12020947 has 2 divisors, whose sum is σ = 12020948. Its totient is φ = 12020946.

The previous prime is 12020933. The next prime is 12021001. The reversal of 12020947 is 74902021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12020947 - 2¹⁹ = 11496659 is a prime.

It is not a weakly prime, because it can be changed into another prime (12020917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010473 + 6010474.

It is an arithmetic number, because the mean of its divisors is an integer number (6010474).

Almost surely, 2^12020947 is an apocalyptic number.

12020947 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020947 is an equidigital number, since it uses as much as digits as its factorization.

12020947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12020947 is about 3467.1237358941. The cubic root of 12020947 is about 229.0759840145.

Adding to 12020947 its reverse (74902021), we get a palindrome (86922968).

The spelling of 12020947 in words is "twelve million, twenty thousand, nine hundred forty-seven".