12056747 has 4 divisors (see below), whose sum is σ = 12350856. Its totient is φ = 11762640.

The previous prime is 12056731. The next prime is 12056749. The reversal of 12056747 is 74765021.

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

It is a cyclic number.

It is not a de Polignac number, because 12056747 - 2⁴ = 12056731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12056749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146993 + ... + 147074.

It is an arithmetic number, because the mean of its divisors is an integer number (3087714).

Almost surely, 2^12056747 is an apocalyptic number.

12056747 is a deficient number, since it is larger than the sum of its proper divisors (294109).

12056747 is an equidigital number, since it uses as much as digits as its factorization.

12056747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294108.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 12056747 is about 3472.2826785848. The cubic root of 12056747 is about 229.3031650212.

The spelling of 12056747 in words is "twelve million, fifty-six thousand, seven hundred forty-seven".