12020667 has 8 divisors (see below), whose sum is σ = 16418640. Its totient is φ = 7818240.

The previous prime is 12020647. The next prime is 12020681. The reversal of 12020667 is 76602021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12020667 - 2⁷ = 12020539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12020627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48742 + ... + 48987.

It is an arithmetic number, because the mean of its divisors is an integer number (2052330).

Almost surely, 2^12020667 is an apocalyptic number.

12020667 is a deficient number, since it is larger than the sum of its proper divisors (4397973).

12020667 is an equidigital number, since it uses as much as digits as its factorization.

12020667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97773.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 12020667 is about 3467.0833563674. The cubic root of 12020667 is about 229.0742054033.

Adding to 12020667 its reverse (76602021), we get a palindrome (88622688).

The spelling of 12020667 in words is "twelve million, twenty thousand, six hundred sixty-seven".