11884931 has 2 divisors, whose sum is σ = 11884932. Its totient is φ = 11884930.

The previous prime is 11884919. The next prime is 11884933. The reversal of 11884931 is 13948811.

11884931 is digitally balanced in base 2, 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 (13948811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11884931 is a prime.

It is a super-2 number, since 2×11884931² = 282503169749522, which contains 22 as substring.

Together with 11884933, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11884891 and 11884900.

It is not a weakly prime, because it can be changed into another prime (11884933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5942465 + 5942466.

It is an arithmetic number, because the mean of its divisors is an integer number (5942466).

Almost surely, 2^11884931 is an apocalyptic number.

11884931 is a deficient number, since it is larger than the sum of its proper divisors (1).

11884931 is an equidigital number, since it uses as much as digits as its factorization.

11884931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 35.

The square root of 11884931 is about 3447.4528278136. The cubic root of 11884931 is about 228.2087129061.

The spelling of 11884931 in words is "eleven million, eight hundred eighty-four thousand, nine hundred thirty-one".