12027810 has 16 divisors (see below), whose sum is σ = 28866816. Its totient is φ = 3207408.

The previous prime is 12027803. The next prime is 12027811. The reversal of 12027810 is 1872021.

It is a super-2 number, since 2×12027810² = 289336426792200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12027811) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 200434 + ... + 200493.

It is an arithmetic number, because the mean of its divisors is an integer number (1804176).

Almost surely, 2^12027810 is an apocalyptic number.

12027810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12027810 is an abundant number, since it is smaller than the sum of its proper divisors (16839006).

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

12027810 is a wasteful number, since it uses less digits than its factorization.

12027810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400937.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 12027810 is about 3468.1133199479. The cubic root of 12027810 is about 229.1195704137.

Adding to 12027810 its reverse (1872021), we get a palindrome (13899831).

The spelling of 12027810 in words is "twelve million, twenty-seven thousand, eight hundred ten".