11745647 has 2 divisors, whose sum is σ = 11745648. Its totient is φ = 11745646.

The previous prime is 11745619. The next prime is 11745649. The reversal of 11745647 is 74654711.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11745647 - 2¹² = 11741551 is a prime.

Together with 11745649, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11745649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5872823 + 5872824.

It is an arithmetic number, because the mean of its divisors is an integer number (5872824).

Almost surely, 2^11745647 is an apocalyptic number.

11745647 is a deficient number, since it is larger than the sum of its proper divisors (1).

11745647 is an equidigital number, since it uses as much as digits as its factorization.

11745647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 35.

The square root of 11745647 is about 3427.1922910744. The cubic root of 11745647 is about 227.3137194278.

The spelling of 11745647 in words is "eleven million, seven hundred forty-five thousand, six hundred forty-seven".