12171064 has 16 divisors (see below), whose sum is σ = 23352120. Its totient is φ = 5943840.

The previous prime is 12171041. The next prime is 12171067. The reversal of 12171064 is 46017121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12171067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17347 + ... + 18034.

Almost surely, 2^12171064 is an apocalyptic number.

It is an amenable number.

12171064 is a deficient number, since it is larger than the sum of its proper divisors (11181056).

12171064 is a wasteful number, since it uses less digits than its factorization.

12171064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35430 (or 35426 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 12171064 is about 3488.7052039403. The cubic root of 12171064 is about 230.0256052149.

Adding to 12171064 its reverse (46017121), we get a palindrome (58188185).

The spelling of 12171064 in words is "twelve million, one hundred seventy-one thousand, sixty-four".