12061806 has 16 divisors (see below), whose sum is σ = 25542864. Its totient is φ = 3784064.

The previous prime is 12061769. The next prime is 12061807. The reversal of 12061806 is 60816021.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12061807) 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, 59025 + ... + 59228.

It is an arithmetic number, because the mean of its divisors is an integer number (1596429).

Almost surely, 2^12061806 is an apocalyptic number.

12061806 is an abundant number, since it is smaller than the sum of its proper divisors (13481058).

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

12061806 is a wasteful number, since it uses less digits than its factorization.

12061806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118275.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 12061806 is about 3473.0110854992. The cubic root of 12061806 is about 229.3352323358.

Adding to 12061806 its reverse (60816021), we get a palindrome (72877827).

The spelling of 12061806 in words is "twelve million, sixty-one thousand, eight hundred six".