11948647 has 2 divisors, whose sum is σ = 11948648. Its totient is φ = 11948646.

The previous prime is 11948639. The next prime is 11948653. The reversal of 11948647 is 74684911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11948647 - 2³ = 11948639 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 (11948617) 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, 5974323 + 5974324.

It is an arithmetic number, because the mean of its divisors is an integer number (5974324).

Almost surely, 2^11948647 is an apocalyptic number.

11948647 is a deficient number, since it is larger than the sum of its proper divisors (1).

11948647 is an equidigital number, since it uses as much as digits as its factorization.

11948647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The square root of 11948647 is about 3456.6815010932. The cubic root of 11948647 is about 228.6158009279.

The spelling of 11948647 in words is "eleven million, nine hundred forty-eight thousand, six hundred forty-seven".