12022864 has 20 divisors (see below), whose sum is σ = 26622304. Its totient is φ = 5152608.

The previous prime is 12022847. The next prime is 12022867. The reversal of 12022864 is 46822021.

It is a happy number.

12022864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53562 + ... + 53785.

Almost surely, 2^12022864 is an apocalyptic number.

12022864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12022864 is an abundant number, since it is smaller than the sum of its proper divisors (14599440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12022864 is a wasteful number, since it uses less digits than its factorization.

12022864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107362 (or 107356 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 12022864 is about 3467.4001788083. The cubic root of 12022864 is about 229.0881604074.

Adding to 12022864 its reverse (46822021), we get a palindrome (58844885).

The spelling of 12022864 in words is "twelve million, twenty-two thousand, eight hundred sixty-four".