12301172 has 36 divisors (see below), whose sum is σ = 24103296. Its totient is φ = 5484960.

The previous prime is 12301153. The next prime is 12301229. The reversal of 12301172 is 27110321.

It is a self number, because there is not a number n which added to its sum of digits gives 12301172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20663 + ... + 21249.

It is an arithmetic number, because the mean of its divisors is an integer number (669536).

Almost surely, 2^12301172 is an apocalyptic number.

It is an amenable number.

12301172 is a deficient number, since it is larger than the sum of its proper divisors (11802124).

12301172 is a wasteful number, since it uses less digits than its factorization.

12301172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 12301172 is about 3507.3026672929. The cubic root of 12301172 is about 230.8423554132.

Adding to 12301172 its reverse (27110321), we get a palindrome (39411493).

The spelling of 12301172 in words is "twelve million, three hundred one thousand, one hundred seventy-two".