11687001 has 4 divisors (see below), whose sum is σ = 15582672. Its totient is φ = 7791332.

The previous prime is 11686999. The next prime is 11687057. The reversal of 11687001 is 10078611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11687001 - 2¹ = 11686999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11687801) 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, 1947831 + ... + 1947836.

It is an arithmetic number, because the mean of its divisors is an integer number (3895668).

Almost surely, 2^11687001 is an apocalyptic number.

It is an amenable number.

11687001 is a deficient number, since it is larger than the sum of its proper divisors (3895671).

11687001 is an equidigital number, since it uses as much as digits as its factorization.

11687001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895670.

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 11687001 is about 3418.6256010274. The cubic root of 11687001 is about 226.9347623149.

The spelling of 11687001 in words is "eleven million, six hundred eighty-seven thousand, one".