11886281 has 12 divisors (see below), whose sum is σ = 13778160. Its totient is φ = 10167360.

The previous prime is 11886271. The next prime is 11886289. The reversal of 11886281 is 18268811.

It is not a de Polignac number, because 11886281 - 2²² = 7691977 is a prime.

It is a super-2 number, since 2×11886281² = 282567352021922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11886289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1310 + ... + 5048.

It is an arithmetic number, because the mean of its divisors is an integer number (1148180).

Almost surely, 2^11886281 is an apocalyptic number.

11886281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11886281 is a deficient number, since it is larger than the sum of its proper divisors (1891879).

11886281 is a wasteful number, since it uses less digits than its factorization.

11886281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784 (or 3767 counting only the distinct ones).

The product of its digits is 6144, while the sum is 35.

The square root of 11886281 is about 3447.6486189866. The cubic root of 11886281 is about 228.2173532619.

It can be divided in two parts, 11886 and 281, that added together give a cube (12167 = 23³).

The spelling of 11886281 in words is "eleven million, eight hundred eighty-six thousand, two hundred eighty-one".