12020605 has 8 divisors (see below), whose sum is σ = 15052032. Its totient is φ = 9198288.

The previous prime is 12020573. The next prime is 12020609. The reversal of 12020605 is 50602021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12020605 - 2⁵ = 12020573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52149 + ... + 52378.

It is an arithmetic number, because the mean of its divisors is an integer number (1881504).

Almost surely, 2^12020605 is an apocalyptic number.

It is an amenable number.

12020605 is a deficient number, since it is larger than the sum of its proper divisors (3031427).

12020605 is a wasteful number, since it uses less digits than its factorization.

12020605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104555.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12020605 is about 3467.0744151229. The cubic root of 12020605 is about 229.0738115642.

Adding to 12020605 its reverse (50602021), we get a palindrome (62622626).

The spelling of 12020605 in words is "twelve million, twenty thousand, six hundred five".