12027770 has 32 divisors (see below), whose sum is σ = 22387968. Its totient is φ = 4650048.

The previous prime is 12027751. The next prime is 12027803. The reversal of 12027770 is 7772021.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73709 + ... + 73871.

It is an arithmetic number, because the mean of its divisors is an integer number (699624).

Almost surely, 2^12027770 is an apocalyptic number.

12027770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12027770 is a deficient number, since it is larger than the sum of its proper divisors (10360198).

12027770 is a wasteful number, since it uses less digits than its factorization.

12027770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 12027770 is about 3468.1075531188. The cubic root of 12027770 is about 229.1193164247.

Adding to 12027770 its reverse (7772021), we get a palindrome (19799791).

The spelling of 12027770 in words is "twelve million, twenty-seven thousand, seven hundred seventy".