12021026 has 8 divisors (see below), whose sum is σ = 18327324. Its totient is φ = 5911920.

The previous prime is 12021017. The next prime is 12021029. The reversal of 12021026 is 62012021.

It can be written as a sum of positive squares in 2 ways, for example, as 11662225 + 358801 = 3415^2 + 599^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12021026.

It is not an unprimeable number, because it can be changed into a prime (12021029) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 49145 + ... + 49388.

Almost surely, 2^12021026 is an apocalyptic number.

12021026 is a deficient number, since it is larger than the sum of its proper divisors (6306298).

12021026 is an equidigital number, since it uses as much as digits as its factorization.

12021026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98596.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12021026 is about 3467.1351286040. The cubic root of 12021026 is about 229.0764858320.

Adding to 12021026 its reverse (62012021), we get a palindrome (74033047).

The spelling of 12021026 in words is "twelve million, twenty-one thousand, twenty-six".