12042856 has 16 divisors (see below), whose sum is σ = 25806240. Its totient is φ = 5161200.

The previous prime is 12042847. The next prime is 12042887. The reversal of 12042856 is 65824021.

12042856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107470 + ... + 107581.

It is an arithmetic number, because the mean of its divisors is an integer number (1612890).

Almost surely, 2^12042856 is an apocalyptic number.

It is an amenable number.

12042856 is an abundant number, since it is smaller than the sum of its proper divisors (13763384).

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

12042856 is a wasteful number, since it uses less digits than its factorization.

12042856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215064 (or 215060 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 12042856 is about 3470.2818329352. The cubic root of 12042856 is about 229.2150684468.

Adding to 12042856 its reverse (65824021), we get a palindrome (77866877).

The spelling of 12042856 in words is "twelve million, forty-two thousand, eight hundred fifty-six".