12023668 has 24 divisors (see below), whose sum is σ = 21804552. Its totient is φ = 5796864.

The previous prime is 12023663. The next prime is 12023699. The reversal of 12023668 is 86632021.

It can be written as a sum of positive squares in 4 ways, for example, as 5253264 + 6770404 = 2292^2 + 2602^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19980 + ... + 20572.

It is an arithmetic number, because the mean of its divisors is an integer number (908523).

Almost surely, 2^12023668 is an apocalyptic number.

It is an amenable number.

12023668 is a deficient number, since it is larger than the sum of its proper divisors (9780884).

12023668 is a wasteful number, since it uses less digits than its factorization.

12023668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 12023668 is about 3467.5161138775. The cubic root of 12023668 is about 229.0932668661.

Adding to 12023668 its reverse (86632021), we get a palindrome (98655689).

The spelling of 12023668 in words is "twelve million, twenty-three thousand, six hundred sixty-eight".