12134700 has 108 divisors (see below), whose sum is σ = 38704120. Its totient is φ = 3179520.

The previous prime is 12134693. The next prime is 12134737. The reversal of 12134700 is 743121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 87231 + ... + 87369.

Almost surely, 2^12134700 is an apocalyptic number.

12134700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12134700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19352060).

12134700 is an abundant number, since it is smaller than the sum of its proper divisors (26569420).

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

12134700 is a wasteful number, since it uses less digits than its factorization.

12134700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 12134700 is about 3483.4896296674. The cubic root of 12134700 is about 229.7962909595.

Adding to 12134700 its reverse (743121), we get a palindrome (12877821).

The spelling of 12134700 in words is "twelve million, one hundred thirty-four thousand, seven hundred".