12195572 has 6 divisors (see below), whose sum is σ = 21342258. Its totient is φ = 6097784.

The previous prime is 12195569. The next prime is 12195577. The reversal of 12195572 is 27559121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9897316 + 2298256 = 3146^2 + 1516^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12195577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1524443 + ... + 1524450.

It is an arithmetic number, because the mean of its divisors is an integer number (3557043).

Almost surely, 2^12195572 is an apocalyptic number.

It is an amenable number.

12195572 is a deficient number, since it is larger than the sum of its proper divisors (9146686).

12195572 is a wasteful number, since it uses less digits than its factorization.

12195572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048897 (or 3048895 counting only the distinct ones).

The product of its digits is 6300, while the sum is 32.

The square root of 12195572 is about 3492.2159154325. The cubic root of 12195572 is about 230.1798970620.

The spelling of 12195572 in words is "twelve million, one hundred ninety-five thousand, five hundred seventy-two".