12134646 has 24 divisors (see below), whose sum is σ = 26362440. Its totient is φ = 4034016.

The previous prime is 12134641. The next prime is 12134653. The reversal of 12134646 is 64643121.

12134646 is a `hidden beast` number, since 1 + 2 + 13 + 4 + 646 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12134641) 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 11 ways as a sum of consecutive naturals, for example, 8770 + ... + 10058.

It is an arithmetic number, because the mean of its divisors is an integer number (1098435).

Almost surely, 2^12134646 is an apocalyptic number.

12134646 is an abundant number, since it is smaller than the sum of its proper divisors (14227794).

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

12134646 is a wasteful number, since it uses less digits than its factorization.

12134646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820 (or 1817 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 12134646 is about 3483.4818788103. The cubic root of 12134646 is about 229.7959500908.

Adding to 12134646 its reverse (64643121), we get a palindrome (76777767).

The spelling of 12134646 in words is "twelve million, one hundred thirty-four thousand, six hundred forty-six".