12026628 has 36 divisors (see below), whose sum is σ = 31225740. Its totient is φ = 3900096.

The previous prime is 12026603. The next prime is 12026647. The reversal of 12026628 is 82662021.

12026628 is a `hidden beast` number, since 12 + 0 + 26 + 628 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11614464 + 412164 = 3408^2 + 642^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3183 + ... + 5846.

Almost surely, 2^12026628 is an apocalyptic number.

12026628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12026628 is an abundant number, since it is smaller than the sum of its proper divisors (19199112).

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

12026628 is a wasteful number, since it uses less digits than its factorization.

12026628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9076 (or 9071 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 12026628 is about 3467.9429061044. The cubic root of 12026628 is about 229.1120648023.

Adding to 12026628 its reverse (82662021), we get a palindrome (94688649).

The spelling of 12026628 in words is "twelve million, twenty-six thousand, six hundred twenty-eight".