12028766 has 8 divisors (see below), whose sum is σ = 18064944. Its totient is φ = 6007120.

The previous prime is 12028763. The next prime is 12028769. The reversal of 12028766 is 66782021.

It is an interprime number because it is at equal distance from previous prime (12028763) and next prime (12028769).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12028766² = 289382422965512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12028763) 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, 1250 + ... + 5061.

It is an arithmetic number, because the mean of its divisors is an integer number (2258118).

Almost surely, 2^12028766 is an apocalyptic number.

12028766 is a deficient number, since it is larger than the sum of its proper divisors (6036178).

12028766 is an equidigital number, since it uses as much as digits as its factorization.

12028766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7266.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 12028766 is about 3468.2511443089. The cubic root of 12028766 is about 229.1256405824.

The spelling of 12028766 in words is "twelve million, twenty-eight thousand, seven hundred sixty-six".