11888719 has 2 divisors, whose sum is σ = 11888720. Its totient is φ = 11888718.

The previous prime is 11888693. The next prime is 11888741. The reversal of 11888719 is 91788811.

It is a strong prime.

It is an emirp because it is prime and its reverse (91788811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11888719 - 2⁹ = 11888207 is a prime.

It is a super-2 number, since 2×11888719² = 282683278921922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11888749) 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, 5944359 + 5944360.

It is an arithmetic number, because the mean of its divisors is an integer number (5944360).

Almost surely, 2^11888719 is an apocalyptic number.

11888719 is a deficient number, since it is larger than the sum of its proper divisors (1).

11888719 is an equidigital number, since it uses as much as digits as its factorization.

11888719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 43.

The square root of 11888719 is about 3448.0021751733. The cubic root of 11888719 is about 228.2329554471.

The spelling of 11888719 in words is "eleven million, eight hundred eighty-eight thousand, seven hundred nineteen".