11913841 has 2 divisors, whose sum is σ = 11913842. Its totient is φ = 11913840.

The previous prime is 11913823. The next prime is 11913857. The reversal of 11913841 is 14831911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9480241 + 2433600 = 3079^2 + 1560^2 .

It is an emirp because it is prime and its reverse (14831911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11913841 - 2¹¹ = 11911793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11913541) 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, 5956920 + 5956921.

It is an arithmetic number, because the mean of its divisors is an integer number (5956921).

Almost surely, 2^11913841 is an apocalyptic number.

It is an amenable number.

11913841 is a deficient number, since it is larger than the sum of its proper divisors (1).

11913841 is an equidigital number, since it uses as much as digits as its factorization.

11913841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 28.

The square root of 11913841 is about 3451.6432318535. The cubic root of 11913841 is about 228.3936016991.

The spelling of 11913841 in words is "eleven million, nine hundred thirteen thousand, eight hundred forty-one".