12051838 has 16 divisors (see below), whose sum is σ = 18403200. Its totient is φ = 5918616.

The previous prime is 12051811. The next prime is 12051841. The reversal of 12051838 is 83815021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42445 + ... + 42727.

It is an arithmetic number, because the mean of its divisors is an integer number (1150200).

Almost surely, 2^12051838 is an apocalyptic number.

12051838 is a deficient number, since it is larger than the sum of its proper divisors (6351362).

12051838 is a wasteful number, since it uses less digits than its factorization.

12051838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 12051838 is about 3471.5757229247. The cubic root of 12051838 is about 229.2720399302.

Adding to 12051838 its reverse (83815021), we get a palindrome (95866859).

The spelling of 12051838 in words is "twelve million, fifty-one thousand, eight hundred thirty-eight".