12171352 has 16 divisors (see below), whose sum is σ = 22942440. Its totient is φ = 6053376.

The previous prime is 12171319. The next prime is 12171353. The reversal of 12171352 is 25317121.

It is a happy number.

12171352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12171353) 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, 2398 + ... + 5485.

Almost surely, 2^12171352 is an apocalyptic number.

It is an amenable number.

12171352 is a deficient number, since it is larger than the sum of its proper divisors (10771088).

12171352 is a wasteful number, since it uses less digits than its factorization.

12171352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8082 (or 8078 counting only the distinct ones).

The product of its digits is 420, while the sum is 22.

The square root of 12171352 is about 3488.7464797546. The cubic root of 12171352 is about 230.0274195414.

Adding to 12171352 its reverse (25317121), we get a palindrome (37488473).

The spelling of 12171352 in words is "twelve million, one hundred seventy-one thousand, three hundred fifty-two".