12056838 has 16 divisors (see below), whose sum is σ = 24168000. Its totient is φ = 4009896.

The previous prime is 12056831. The next prime is 12056843. The reversal of 12056838 is 83865021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12056799 and 12056808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12056831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981 + ... + 5007.

It is an arithmetic number, because the mean of its divisors is an integer number (1510500).

Almost surely, 2^12056838 is an apocalyptic number.

12056838 is an abundant number, since it is smaller than the sum of its proper divisors (12111162).

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

12056838 is a wasteful number, since it uses less digits than its factorization.

12056838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 12056838 is about 3472.2957823319. The cubic root of 12056838 is about 229.3037419191.

The spelling of 12056838 in words is "twelve million, fifty-six thousand, eight hundred thirty-eight".