12051172 has 24 divisors (see below), whose sum is σ = 25151616. Its totient is φ = 4939968.

The previous prime is 12051167. The next prime is 12051197. The reversal of 12051172 is 27115021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8713 + ... + 10000.

It is an arithmetic number, because the mean of its divisors is an integer number (1047984).

Almost surely, 2^12051172 is an apocalyptic number.

It is an amenable number.

12051172 is an abundant number, since it is smaller than the sum of its proper divisors (13100444).

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

12051172 is a wasteful number, since it uses less digits than its factorization.

12051172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18747 (or 18745 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 12051172 is about 3471.4797997396. The cubic root of 12051172 is about 229.2678165635.

Adding to 12051172 its reverse (27115021), we get a palindrome (39166193).

The spelling of 12051172 in words is "twelve million, fifty-one thousand, one hundred seventy-two".