12192146 has 8 divisors (see below), whose sum is σ = 18330300. Its totient is φ = 6082048.

The previous prime is 12192143. The next prime is 12192157. The reversal of 12192146 is 64129121.

It can be written as a sum of positive squares in 2 ways, for example, as 10725625 + 1466521 = 3275^2 + 1211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12192143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5891 + ... + 7686.

Almost surely, 2^12192146 is an apocalyptic number.

12192146 is a deficient number, since it is larger than the sum of its proper divisors (6138154).

12192146 is a wasteful number, since it uses less digits than its factorization.

12192146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14028.

The product of its digits is 864, while the sum is 26.

The square root of 12192146 is about 3491.7253614796. The cubic root of 12192146 is about 230.1583408725.

The spelling of 12192146 in words is "twelve million, one hundred ninety-two thousand, one hundred forty-six".