12042956 has 12 divisors (see below), whose sum is σ = 21364392. Its totient is φ = 5938848.

The previous prime is 12042931. The next prime is 12042983. The reversal of 12042956 is 65924021.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20330 + ... + 20913.

It is an arithmetic number, because the mean of its divisors is an integer number (1780366).

Almost surely, 2^12042956 is an apocalyptic number.

It is an amenable number.

12042956 is a deficient number, since it is larger than the sum of its proper divisors (9321436).

12042956 is a wasteful number, since it uses less digits than its factorization.

12042956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41320 (or 41318 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 12042956 is about 3470.2962409570. The cubic root of 12042956 is about 229.2157028877.

Adding to 12042956 its reverse (65924021), we get a palindrome (77966977).

The spelling of 12042956 in words is "twelve million, forty-two thousand, nine hundred fifty-six".