12256744 has 8 divisors (see below), whose sum is σ = 22981410. Its totient is φ = 6128368.

The previous prime is 12256733. The next prime is 12256747. The reversal of 12256744 is 44765221.

12256744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8054244 + 4202500 = 2838^2 + 2050^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12256747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766039 + ... + 766054.

Almost surely, 2^12256744 is an apocalyptic number.

It is an amenable number.

12256744 is a deficient number, since it is larger than the sum of its proper divisors (10724666).

12256744 is a wasteful number, since it uses less digits than its factorization.

12256744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532099 (or 1532095 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 12256744 is about 3500.9632960087. The cubic root of 12256744 is about 230.5641099475.

The spelling of 12256744 in words is "twelve million, two hundred fifty-six thousand, seven hundred forty-four".