12023105 has 12 divisors (see below), whose sum is σ = 15229332. Its totient is φ = 9110880.

The previous prime is 12023059. The next prime is 12023119. The reversal of 12023105 is 50132021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8340544 + 3682561 = 2888^2 + 1919^2 .

It is not a de Polignac number, because 12023105 - 2¹⁰ = 12022081 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 12023105.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1526 + ... + 5135.

It is an arithmetic number, because the mean of its divisors is an integer number (1269111).

Almost surely, 2^12023105 is an apocalyptic number.

It is an amenable number.

12023105 is a deficient number, since it is larger than the sum of its proper divisors (3206227).

12023105 is an equidigital number, since it uses as much as digits as its factorization.

12023105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6704 (or 6685 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 12023105 is about 3467.4349308963. The cubic root of 12023105 is about 229.0896910986.

Adding to 12023105 its reverse (50132021), we get a palindrome (62155126).

The spelling of 12023105 in words is "twelve million, twenty-three thousand, one hundred five".