12055838 has 16 divisors (see below), whose sum is σ = 18754944. Its totient is φ = 5806080.

The previous prime is 12055837. The next prime is 12055843. The reversal of 12055838 is 83855021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12055837) 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, 20606 + ... + 21182.

It is an arithmetic number, because the mean of its divisors is an integer number (1172184).

Almost surely, 2^12055838 is an apocalyptic number.

12055838 is a deficient number, since it is larger than the sum of its proper divisors (6699106).

12055838 is a wasteful number, since it uses less digits than its factorization.

12055838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 12055838 is about 3472.1517823966. The cubic root of 12055838 is about 229.2974022226.

The spelling of 12055838 in words is "twelve million, fifty-five thousand, eight hundred thirty-eight".