12172368 has 40 divisors (see below), whose sum is σ = 33865888. Its totient is φ = 3745152.

The previous prime is 12172361. The next prime is 12172387. The reversal of 12172368 is 86327121.

12172368 = T₂ + T₃ + ... + T₄₁₇.

12172368 is digitally balanced in base 2 and base 4, because in such bases 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 (12172361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9130 + ... + 10377.

Almost surely, 2^12172368 is an apocalyptic number.

It is an amenable number.

12172368 is an abundant number, since it is smaller than the sum of its proper divisors (21693520).

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

12172368 is a wasteful number, since it uses less digits than its factorization.

12172368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19531 (or 19525 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 12172368 is about 3488.8920877551. The cubic root of 12172368 is about 230.0338198535.

Adding to 12172368 its reverse (86327121), we get a palindrome (98499489).

The spelling of 12172368 in words is "twelve million, one hundred seventy-two thousand, three hundred sixty-eight".