11854689 has 64 divisors (see below), whose sum is σ = 21596160. Its totient is φ = 5598720.

The previous prime is 11854681. The next prime is 11854691. The reversal of 11854689 is 98645811.

11854689 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11854689 - 2³ = 11854681 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11854689.

It is not an unprimeable number, because it can be changed into a prime (11854681) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 162357 + ... + 162429.

It is an arithmetic number, because the mean of its divisors is an integer number (337440).

Almost surely, 2^11854689 is an apocalyptic number.

11854689 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11854689 is a deficient number, since it is larger than the sum of its proper divisors (9741471).

11854689 is a wasteful number, since it uses less digits than its factorization.

11854689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150.

The product of its digits is 69120, while the sum is 42.

The square root of 11854689 is about 3443.0638971707. The cubic root of 11854689 is about 228.0149843953.

The spelling of 11854689 in words is "eleven million, eight hundred fifty-four thousand, six hundred eighty-nine".