11686697 has 4 divisors (see below), whose sum is σ = 12749136. Its totient is φ = 10624260.

The previous prime is 11686693. The next prime is 11686699. The reversal of 11686697 is 79668611.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79668611 = 11 ⋅7242601.

It is a cyclic number.

It is not a de Polignac number, because 11686697 - 2² = 11686693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11686693) 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, 531203 + ... + 531224.

It is an arithmetic number, because the mean of its divisors is an integer number (3187284).

Almost surely, 2^11686697 is an apocalyptic number.

It is an amenable number.

11686697 is a deficient number, since it is larger than the sum of its proper divisors (1062439).

11686697 is a wasteful number, since it uses less digits than its factorization.

11686697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062438.

The product of its digits is 108864, while the sum is 44.

The square root of 11686697 is about 3418.5811384257. The cubic root of 11686697 is about 226.9327946368.

The spelling of 11686697 in words is "eleven million, six hundred eighty-six thousand, six hundred ninety-seven".