11968939 has 2 divisors, whose sum is σ = 11968940. Its totient is φ = 11968938.

The previous prime is 11968903. The next prime is 11968949. The reversal of 11968939 is 93986911.

11968939 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (93986911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11968939 - 2¹⁷ = 11837867 is a prime.

It is not a weakly prime, because it can be changed into another prime (11968949) 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, 5984469 + 5984470.

It is an arithmetic number, because the mean of its divisors is an integer number (5984470).

Almost surely, 2^11968939 is an apocalyptic number.

11968939 is a deficient number, since it is larger than the sum of its proper divisors (1).

11968939 is an equidigital number, since it uses as much as digits as its factorization.

11968939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 46.

The square root of 11968939 is about 3459.6154410570. The cubic root of 11968939 is about 228.7451446708.

The spelling of 11968939 in words is "eleven million, nine hundred sixty-eight thousand, nine hundred thirty-nine".