12141172 has 12 divisors (see below), whose sum is σ = 21435876. Its totient is φ = 6016640.

The previous prime is 12141163. The next prime is 12141191. The reversal of 12141172 is 27114121.

It can be written as a sum of positive squares in 2 ways, for example, as 266256 + 11874916 = 516^2 + 3446^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12979 + ... + 13882.

It is an arithmetic number, because the mean of its divisors is an integer number (1786323).

Almost surely, 2^12141172 is an apocalyptic number.

12141172 is the 1863-rd centered heptagonal number.

It is an amenable number.

12141172 is a deficient number, since it is larger than the sum of its proper divisors (9294704).

12141172 is a wasteful number, since it uses less digits than its factorization.

12141172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26978 (or 26976 counting only the distinct ones).

The product of its digits is 112, while the sum is 19.

The square root of 12141172 is about 3484.4184593702. The cubic root of 12141172 is about 229.8371373825.

Adding to 12141172 its reverse (27114121), we get a palindrome (39255293).

The spelling of 12141172 in words is "twelve million, one hundred forty-one thousand, one hundred seventy-two".