12134786 has 4 divisors (see below), whose sum is σ = 18202182. Its totient is φ = 6067392.

The previous prime is 12134743. The next prime is 12134807. The reversal of 12134786 is 68743121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6225025 + 5909761 = 2495^2 + 2431^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3033695 + ... + 3033698.

Almost surely, 2^12134786 is an apocalyptic number.

12134786 is a deficient number, since it is larger than the sum of its proper divisors (6067396).

12134786 is an equidigital number, since it uses as much as digits as its factorization.

12134786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6067395.

The product of its digits is 8064, while the sum is 32.

The square root of 12134786 is about 3483.5019735892. The cubic root of 12134786 is about 229.7968338223.

The spelling of 12134786 in words is "twelve million, one hundred thirty-four thousand, seven hundred eighty-six".