11967841 has 2 divisors, whose sum is σ = 11967842. Its totient is φ = 11967840.

The previous prime is 11967833. The next prime is 11967863. The reversal of 11967841 is 14876911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11696400 + 271441 = 3420^2 + 521^2 .

It is a cyclic number.

It is not a de Polignac number, because 11967841 - 2³ = 11967833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11967841.

It is not a weakly prime, because it can be changed into another prime (11967821) 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, 5983920 + 5983921.

It is an arithmetic number, because the mean of its divisors is an integer number (5983921).

Almost surely, 2^11967841 is an apocalyptic number.

It is an amenable number.

11967841 is a deficient number, since it is larger than the sum of its proper divisors (1).

11967841 is an equidigital number, since it uses as much as digits as its factorization.

11967841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 37.

The square root of 11967841 is about 3459.4567492599. The cubic root of 11967841 is about 228.7381496245.

The spelling of 11967841 in words is "eleven million, nine hundred sixty-seven thousand, eight hundred forty-one".