11675987 has 4 divisors (see below), whose sum is σ = 11796456. Its totient is φ = 11555520.

The previous prime is 11675969. The next prime is 11676011. The reversal of 11675987 is 78957611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11675987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11675087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60089 + ... + 60282.

It is an arithmetic number, because the mean of its divisors is an integer number (2949114).

Almost surely, 2^11675987 is an apocalyptic number.

11675987 is a deficient number, since it is larger than the sum of its proper divisors (120469).

11675987 is an equidigital number, since it uses as much as digits as its factorization.

11675987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120468.

The product of its digits is 105840, while the sum is 44.

The square root of 11675987 is about 3417.0143400343. The cubic root of 11675987 is about 226.8634510333.

The spelling of 11675987 in words is "eleven million, six hundred seventy-five thousand, nine hundred eighty-seven".