11256647 has 2 divisors, whose sum is σ = 11256648. Its totient is φ = 11256646.

The previous prime is 11256643. The next prime is 11256653. The reversal of 11256647 is 74665211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11256647 - 2² = 11256643 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11256643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5628323 + 5628324.

It is an arithmetic number, because the mean of its divisors is an integer number (5628324).

Almost surely, 2^11256647 is an apocalyptic number.

11256647 is a deficient number, since it is larger than the sum of its proper divisors (1).

11256647 is an equidigital number, since it uses as much as digits as its factorization.

11256647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 11256647 is about 3355.0926961859. The cubic root of 11256647 is about 224.1143588576.

The spelling of 11256647 in words is "eleven million, two hundred fifty-six thousand, six hundred forty-seven".