12167572 has 6 divisors (see below), whose sum is σ = 21293258. Its totient is φ = 6083784.

The previous prime is 12167569. The next prime is 12167579. The reversal of 12167572 is 27576121.

12167572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12152196 + 15376 = 3486^2 + 124^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12167579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1520943 + ... + 1520950.

Almost surely, 2^12167572 is an apocalyptic number.

It is an amenable number.

12167572 is a deficient number, since it is larger than the sum of its proper divisors (9125686).

12167572 is a wasteful number, since it uses less digits than its factorization.

12167572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041897 (or 3041895 counting only the distinct ones).

The product of its digits is 5880, while the sum is 31.

The square root of 12167572 is about 3488.2046958285. The cubic root of 12167572 is about 230.0036042283.

The spelling of 12167572 in words is "twelve million, one hundred sixty-seven thousand, five hundred seventy-two".