12232145 has 8 divisors (see below), whose sum is σ = 15036840. Its totient is φ = 9546880.

The previous prime is 12232141. The next prime is 12232151. The reversal of 12232145 is 54123221.

It can be written as a sum of positive squares in 4 ways, for example, as 508369 + 11723776 = 713^2 + 3424^2 .

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

It is not a de Polignac number, because 12232145 - 2² = 12232141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12232141) 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 in 7 ways as a sum of consecutive naturals, for example, 29630 + ... + 30039.

It is an arithmetic number, because the mean of its divisors is an integer number (1879605).

Almost surely, 2^12232145 is an apocalyptic number.

It is an amenable number.

12232145 is a deficient number, since it is larger than the sum of its proper divisors (2804695).

12232145 is an equidigital number, since it uses as much as digits as its factorization.

12232145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59715.

The product of its digits is 480, while the sum is 20.

The square root of 12232145 is about 3497.4483555873. The cubic root of 12232145 is about 230.4097610420.

Adding to 12232145 its reverse (54123221), we get a palindrome (66355366).

The spelling of 12232145 in words is "twelve million, two hundred thirty-two thousand, one hundred forty-five".