12328149 has 4 divisors (see below), whose sum is σ = 16437536. Its totient is φ = 8218764.

The previous prime is 12328139. The next prime is 12328157. The reversal of 12328149 is 94182321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12328149 - 2⁴ = 12328133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12328139) 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 3 ways as a sum of consecutive naturals, for example, 2054689 + ... + 2054694.

It is an arithmetic number, because the mean of its divisors is an integer number (4109384).

Almost surely, 2^12328149 is an apocalyptic number.

It is an amenable number.

12328149 is a deficient number, since it is larger than the sum of its proper divisors (4109387).

12328149 is an equidigital number, since it uses as much as digits as its factorization.

12328149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109386.

The product of its digits is 3456, while the sum is 30.

The square root of 12328149 is about 3511.1463939859. The cubic root of 12328149 is about 231.0109812812.

The spelling of 12328149 in words is "twelve million, three hundred twenty-eight thousand, one hundred forty-nine".