11814855 has 16 divisors (see below), whose sum is σ = 20358240. Its totient is φ = 5816448.

The previous prime is 11814799. The next prime is 11814857. The reversal of 11814855 is 55841811.

It is not a de Polignac number, because 11814855 - 2¹⁰ = 11813831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11814857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30100 + ... + 30489.

It is an arithmetic number, because the mean of its divisors is an integer number (1272390).

Almost surely, 2^11814855 is an apocalyptic number.

11814855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11814855 is a deficient number, since it is larger than the sum of its proper divisors (8543385).

11814855 is a wasteful number, since it uses less digits than its factorization.

11814855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60610.

The product of its digits is 6400, while the sum is 33.

The square root of 11814855 is about 3437.2743562305. The cubic root of 11814855 is about 227.7593066300.

The spelling of 11814855 in words is "eleven million, eight hundred fourteen thousand, eight hundred fifty-five".