12170054 has 8 divisors (see below), whose sum is σ = 19659360. Its totient is φ = 5616936.

The previous prime is 12170047. The next prime is 12170057. The reversal of 12170054 is 45007121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12170054² = 296220428725832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12170057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234014 + ... + 234065.

It is an arithmetic number, because the mean of its divisors is an integer number (2457420).

Almost surely, 2^12170054 is an apocalyptic number.

12170054 is a deficient number, since it is larger than the sum of its proper divisors (7489306).

12170054 is a wasteful number, since it uses less digits than its factorization.

12170054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468094.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12170054 is about 3488.5604480932. The cubic root of 12170054 is about 230.0192422464.

Adding to 12170054 its reverse (45007121), we get a palindrome (57177175).

The spelling of 12170054 in words is "twelve million, one hundred seventy thousand, fifty-four".