11678187 has 6 divisors (see below), whose sum is σ = 15578812. Its totient is φ = 7781512.

The previous prime is 11678171. The next prime is 11678197. The reversal of 11678187 is 78187611.

It is not a de Polignac number, because 11678187 - 2⁴ = 11678171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11678197) 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 5 ways as a sum of consecutive naturals, for example, 4933 + ... + 6905.

Almost surely, 2^11678187 is an apocalyptic number.

11678187 is a deficient number, since it is larger than the sum of its proper divisors (3900625).

11678187 is an frugal number, since it uses more digits than its factorization.

11678187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3949 (or 1976 counting only the distinct ones).

The product of its digits is 18816, while the sum is 39.

The square root of 11678187 is about 3417.3362433334. The cubic root of 11678187 is about 226.8776987438.

The spelling of 11678187 in words is "eleven million, six hundred seventy-eight thousand, one hundred eighty-seven".