12171414 has 16 divisors (see below), whose sum is σ = 24380928. Its totient is φ = 4050792.

The previous prime is 12171413. The next prime is 12171427. The reversal of 12171414 is 41417121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12171413) 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 7 ways as a sum of consecutive naturals, for example, 4179 + ... + 6465.

It is an arithmetic number, because the mean of its divisors is an integer number (1523808).

Almost surely, 2^12171414 is an apocalyptic number.

12171414 is an abundant number, since it is smaller than the sum of its proper divisors (12209514).

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

12171414 is a wasteful number, since it uses less digits than its factorization.

12171414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179.

The product of its digits is 224, while the sum is 21.

The square root of 12171414 is about 3488.7553654563. The cubic root of 12171414 is about 230.0278101218.

Adding to 12171414 its reverse (41417121), we get a palindrome (53588535).

The spelling of 12171414 in words is "twelve million, one hundred seventy-one thousand, four hundred fourteen".