11927939 has 2 divisors, whose sum is σ = 11927940. Its totient is φ = 11927938.

The previous prime is 11927933. The next prime is 11927977. The reversal of 11927939 is 93972911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11927939 - 2⁸ = 11927683 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11927896 and 11927905.

It is not a weakly prime, because it can be changed into another prime (11927933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5963969 + 5963970.

It is an arithmetic number, because the mean of its divisors is an integer number (5963970).

Almost surely, 2^11927939 is an apocalyptic number.

11927939 is a deficient number, since it is larger than the sum of its proper divisors (1).

11927939 is an equidigital number, since it uses as much as digits as its factorization.

11927939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30618, while the sum is 41.

The square root of 11927939 is about 3453.6848437575. The cubic root of 11927939 is about 228.4836544863.

The spelling of 11927939 in words is "eleven million, nine hundred twenty-seven thousand, nine hundred thirty-nine".