12554166 has 16 divisors (see below), whose sum is σ = 25520688. Its totient is φ = 4116000.

The previous prime is 12554161. The next prime is 12554167. The reversal of 12554166 is 66145521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12554161) by changing a digit.

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, 16785 + ... + 17516.

It is an arithmetic number, because the mean of its divisors is an integer number (1595043).

Almost surely, 2^12554166 is an apocalyptic number.

12554166 is an abundant number, since it is smaller than the sum of its proper divisors (12966522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12554166 is a wasteful number, since it uses less digits than its factorization.

12554166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34367.

The product of its digits is 7200, while the sum is 30.

The square root of 12554166 is about 3543.1858545665. The cubic root of 12554166 is about 232.4141803741.

Adding to 12554166 its reverse (66145521), we get a palindrome (78699687).

It can be divided in two parts, 12554 and 166, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 12554166 in words is "twelve million, five hundred fifty-four thousand, one hundred sixty-six".