11886987 has 8 divisors (see below), whose sum is σ = 18113536. Its totient is φ = 6792552.

The previous prime is 11886983. The next prime is 11886991. The reversal of 11886987 is 78968811.

11886987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11886983) and next prime (11886991).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11886987 - 2² = 11886983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11886983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283003 + ... + 283044.

It is an arithmetic number, because the mean of its divisors is an integer number (2264192).

Almost surely, 2^11886987 is an apocalyptic number.

11886987 is a deficient number, since it is larger than the sum of its proper divisors (6226549).

11886987 is an equidigital number, since it uses as much as digits as its factorization.

11886987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566057.

The product of its digits is 193536, while the sum is 48.

The square root of 11886987 is about 3447.7510060908. The cubic root of 11886987 is about 228.2218715875.

The spelling of 11886987 in words is "eleven million, eight hundred eighty-six thousand, nine hundred eighty-seven".