12104856 has 32 divisors (see below), whose sum is σ = 33625200. Its totient is φ = 4034880.

The previous prime is 12104837. The next prime is 12104863. The reversal of 12104856 is 65840121.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 27805 + ... + 28236.

Almost surely, 2^12104856 is an apocalyptic number.

It is an amenable number.

12104856 is an abundant number, since it is smaller than the sum of its proper divisors (21520344).

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

12104856 is a wasteful number, since it uses less digits than its factorization.

12104856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56056 (or 56046 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 12104856 is about 3479.2033570920. The cubic root of 12104856 is about 229.6077498224.

Adding to 12104856 its reverse (65840121), we get a palindrome (77944977).

It can be divided in two parts, 121048 and 56, that added together give a square (121104 = 348²).

The spelling of 12104856 in words is "twelve million, one hundred four thousand, eight hundred fifty-six".