12134156 has 12 divisors (see below), whose sum is σ = 22158192. Its totient is φ = 5803248.

The previous prime is 12134153. The next prime is 12134173. The reversal of 12134156 is 65143121.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (12134153) 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 3 ways as a sum of consecutive naturals, for example, 65855 + ... + 66038.

It is an arithmetic number, because the mean of its divisors is an integer number (1846516).

Almost surely, 2^12134156 is an apocalyptic number.

It is an amenable number.

12134156 is a deficient number, since it is larger than the sum of its proper divisors (10024036).

12134156 is a wasteful number, since it uses less digits than its factorization.

12134156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131920 (or 131918 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 12134156 is about 3483.4115461714. The cubic root of 12134156 is about 229.7928569767.

Adding to 12134156 its reverse (65143121), we get a palindrome (77277277).

The spelling of 12134156 in words is "twelve million, one hundred thirty-four thousand, one hundred fifty-six".