12026616 has 64 divisors (see below), whose sum is σ = 36391680. Its totient is φ = 3233280.

The previous prime is 12026603. The next prime is 12026647. The reversal of 12026616 is 61662021.

It is a super-2 number, since 2×12026616² = 289278984822912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 751 + ... + 4961.

It is an arithmetic number, because the mean of its divisors is an integer number (568620).

Almost surely, 2^12026616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12026616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18195840).

12026616 is an abundant number, since it is smaller than the sum of its proper divisors (24365064).

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

12026616 is a wasteful number, since it uses less digits than its factorization.

12026616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4244 (or 4240 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 12026616 is about 3467.9411759717. The cubic root of 12026616 is about 229.1119886007. Note that the first 3 decimals are identical.

Adding to 12026616 its reverse (61662021), we get a palindrome (73688637).

The spelling of 12026616 in words is "twelve million, twenty-six thousand, six hundred sixteen".