11881827 has 12 divisors (see below), whose sum is σ = 18172440. Its totient is φ = 7455168.

The previous prime is 11881811. The next prime is 11881829. The reversal of 11881827 is 72818811.

11881827 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11881827 - 2⁴ = 11881811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11881791 and 11881800.

It is not an unprimeable number, because it can be changed into a prime (11881829) 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 in 11 ways as a sum of consecutive naturals, for example, 38677 + ... + 38982.

It is an arithmetic number, because the mean of its divisors is an integer number (1514370).

Almost surely, 2^11881827 is an apocalyptic number.

11881827 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11881827 is a deficient number, since it is larger than the sum of its proper divisors (6290613).

11881827 is a wasteful number, since it uses less digits than its factorization.

11881827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77682 (or 77679 counting only the distinct ones).

The product of its digits is 7168, while the sum is 36.

The square root of 11881827 is about 3447.0026109651. The cubic root of 11881827 is about 228.1888440060.

The spelling of 11881827 in words is "eleven million, eight hundred eighty-one thousand, eight hundred twenty-seven".