11869 has 8 divisors (see below), whose sum is σ = 14112. Its totient is φ = 9840.

The previous prime is 11867. The next prime is 11887. The reversal of 11869 is 96811.

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

It is a cyclic number.

It is not a de Polignac number, because 11869 - 2¹ = 11867 is a prime.

It is a super-2 number, since 2×11869² = 281746322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11863) 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, 102 + ... + 184.

It is an arithmetic number, because the mean of its divisors is an integer number (1764).

2¹¹⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

11869 is a deficient number, since it is larger than the sum of its proper divisors (2243).

11869 is a wasteful number, since it uses less digits than its factorization.

11869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107.

The product of its digits is 432, while the sum is 25.

The square root of 11869 is about 108.9449402221. The cubic root of 11869 is about 22.8106700853.

It can be divided in two parts, 11 and 869, that multiplied together give a palindrome (9559).

The spelling of 11869 in words is "eleven thousand, eight hundred sixty-nine".