12122854 has 4 divisors (see below), whose sum is σ = 18184284. Its totient is φ = 6061426.

The previous prime is 12122843. The next prime is 12122857. The reversal of 12122854 is 45822121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45822121 = 97 ⋅472393.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030712 + ... + 3030715.

It is an arithmetic number, because the mean of its divisors is an integer number (4546071).

Almost surely, 2^12122854 is an apocalyptic number.

12122854 is a deficient number, since it is larger than the sum of its proper divisors (6061430).

12122854 is an equidigital number, since it uses as much as digits as its factorization.

12122854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6061429.

The product of its digits is 1280, while the sum is 25.

The square root of 12122854 is about 3481.7889080184. The cubic root of 12122854 is about 229.7214902325.

Adding to 12122854 its reverse (45822121), we get a palindrome (57944975).

The spelling of 12122854 in words is "twelve million, one hundred twenty-two thousand, eight hundred fifty-four".