11862855 has 40 divisors (see below), whose sum is σ = 22529232. Its totient is φ = 5951232.

The previous prime is 11862839. The next prime is 11862857. The reversal of 11862855 is 55826811.

It is not a de Polignac number, because 11862855 - 2⁴ = 11862839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11862857) 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 39 ways as a sum of consecutive naturals, for example, 6024 + ... + 7746.

Almost surely, 2^11862855 is an apocalyptic number.

11862855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11862855 is a deficient number, since it is larger than the sum of its proper divisors (10666377).

11862855 is a wasteful number, since it uses less digits than its factorization.

11862855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757 (or 1748 counting only the distinct ones).

The product of its digits is 19200, while the sum is 36.

The square root of 11862855 is about 3444.2495554184. The cubic root of 11862855 is about 228.0673277618.

The spelling of 11862855 in words is "eleven million, eight hundred sixty-two thousand, eight hundred fifty-five".