12026520 has 96 divisors (see below), whose sum is σ = 42653520. Its totient is φ = 2914560.

The previous prime is 12026513. The next prime is 12026527. The reversal of 12026520 is 2562021.

12026520 is a `hidden beast` number, since 12 + 0 + 2 + 652 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (12026513) and next prime (12026527).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12026493 and 12026502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12026527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2442 + ... + 5478.

Almost surely, 2^12026520 is an apocalyptic number.

12026520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12026520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21326760).

12026520 is an abundant number, since it is smaller than the sum of its proper divisors (30627000).

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

12026520 is a wasteful number, since it uses less digits than its factorization.

12026520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065 (or 3058 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12026520 is about 3467.9273348789. The cubic root of 12026520 is about 229.1113789859. Note that the first 3 decimals are identical.

Adding to 12026520 its reverse (2562021), we get a palindrome (14588541).

The spelling of 12026520 in words is "twelve million, twenty-six thousand, five hundred twenty".