12056842 has 24 divisors (see below), whose sum is σ = 22278564. Its totient is φ = 4862592.

The previous prime is 12056831. The next prime is 12056843. The reversal of 12056842 is 24865021.

It can be written as a sum of positive squares in 2 ways, for example, as 11431161 + 625681 = 3381^2 + 791^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12056842.

It is not an unprimeable number, because it can be changed into a prime (12056843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1953 + ... + 5284.

Almost surely, 2^12056842 is an apocalyptic number.

12056842 is a deficient number, since it is larger than the sum of its proper divisors (10221722).

12056842 is a wasteful number, since it uses less digits than its factorization.

12056842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7270 (or 7263 counting only the distinct ones).

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

The square root of 12056842 is about 3472.2963583197. The cubic root of 12056842 is about 229.3037672772.

The spelling of 12056842 in words is "twelve million, fifty-six thousand, eight hundred forty-two".