12061836 has 18 divisors (see below), whose sum is σ = 30489732. Its totient is φ = 4020600.

The previous prime is 12061817. The next prime is 12061843. The reversal of 12061836 is 63816021.

12061836 is a `hidden beast` number, since 12 + 0 + 618 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167490 + ... + 167561.

It is an arithmetic number, because the mean of its divisors is an integer number (1693874).

Almost surely, 2^12061836 is an apocalyptic number.

It is an amenable number.

12061836 is an abundant number, since it is smaller than the sum of its proper divisors (18427896).

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

12061836 is a wasteful number, since it uses less digits than its factorization.

12061836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335061 (or 335056 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 12061836 is about 3473.0154045152. The cubic root of 12061836 is about 229.3354224691.

Adding to 12061836 its reverse (63816021), we get a palindrome (75877857).

The spelling of 12061836 in words is "twelve million, sixty-one thousand, eight hundred thirty-six".