12021676 has 24 divisors (see below), whose sum is σ = 22055936. Its totient is φ = 5726160.

The previous prime is 12021673. The next prime is 12021677. The reversal of 12021676 is 67612021.

It is a self number, because there is not a number n which added to its sum of digits gives 12021676.

It is not an unprimeable number, because it can be changed into a prime (12021671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7585 + ... + 9031.

Almost surely, 2^12021676 is an apocalyptic number.

It is an amenable number.

12021676 is a deficient number, since it is larger than the sum of its proper divisors (10034260).

12021676 is a wasteful number, since it uses less digits than its factorization.

12021676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12021676 is about 3467.2288646699. The cubic root of 12021676 is about 229.0806146263.

Adding to 12021676 its reverse (67612021), we get a palindrome (79633697).

The spelling of 12021676 in words is "twelve million, twenty-one thousand, six hundred seventy-six".