12162055 has 16 divisors (see below), whose sum is σ = 16127424. Its totient is φ = 8757760.

The previous prime is 12162047. The next prime is 12162061. The reversal of 12162055 is 55026121.

It is not a de Polignac number, because 12162055 - 2³ = 12162047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1156 + ... + 5065.

It is an arithmetic number, because the mean of its divisors is an integer number (1007964).

Almost surely, 2^12162055 is an apocalyptic number.

12162055 is a deficient number, since it is larger than the sum of its proper divisors (3965369).

12162055 is a wasteful number, since it uses less digits than its factorization.

12162055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 12162055 is about 3487.4137982178. The cubic root of 12162055 is about 229.9688363574.

Adding to 12162055 its reverse (55026121), we get a palindrome (67188176).

The spelling of 12162055 in words is "twelve million, one hundred sixty-two thousand, fifty-five".