11869686 has 16 divisors (see below), whose sum is σ = 26377200. Its totient is φ = 3956544.

The previous prime is 11869673. The next prime is 11869687. The reversal of 11869686 is 68696811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11869687) 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, 109851 + ... + 109958.

It is an arithmetic number, because the mean of its divisors is an integer number (1648575).

Almost surely, 2^11869686 is an apocalyptic number.

11869686 is an abundant number, since it is smaller than the sum of its proper divisors (14507514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11869686 is a wasteful number, since it uses less digits than its factorization.

11869686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219820 (or 219814 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 11869686 is about 3445.2410655860. The cubic root of 11869686 is about 228.1110954433. Note that the first 3 decimals are identical.

The spelling of 11869686 in words is "eleven million, eight hundred sixty-nine thousand, six hundred eighty-six".