12023867 has 2 divisors, whose sum is σ = 12023868. Its totient is φ = 12023866.

The previous prime is 12023863. The next prime is 12023873. The reversal of 12023867 is 76832021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12023867 - 2² = 12023863 is a prime.

It is not a weakly prime, because it can be changed into another prime (12023861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011933 + 6011934.

It is an arithmetic number, because the mean of its divisors is an integer number (6011934).

Almost surely, 2^12023867 is an apocalyptic number.

12023867 is a deficient number, since it is larger than the sum of its proper divisors (1).

12023867 is an equidigital number, since it uses as much as digits as its factorization.

12023867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 12023867 is about 3467.5448086506. The cubic root of 12023867 is about 229.0945307430.

Adding to 12023867 its reverse (76832021), we get a palindrome (88855888).

The spelling of 12023867 in words is "twelve million, twenty-three thousand, eight hundred sixty-seven".