12026642 has 16 divisors (see below), whose sum is σ = 18627840. Its totient is φ = 5820288.

The previous prime is 12026603. The next prime is 12026647. The reversal of 12026642 is 24662021.

It is not an unprimeable number, because it can be changed into a prime (12026647) 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 7 ways as a sum of consecutive naturals, for example, 8459 + ... + 9777.

It is an arithmetic number, because the mean of its divisors is an integer number (1164240).

Almost surely, 2^12026642 is an apocalyptic number.

12026642 is a deficient number, since it is larger than the sum of its proper divisors (6601198).

12026642 is a wasteful number, since it uses less digits than its factorization.

12026642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 12026642 is about 3467.9449245915. The cubic root of 12026642 is about 229.1121537041.

Adding to 12026642 its reverse (24662021), we get a palindrome (36688663).

It can be divided in two parts, 120 and 26642, that added together give a palindrome (26762).

The spelling of 12026642 in words is "twelve million, twenty-six thousand, six hundred forty-two".