12148329 has 4 divisors (see below), whose sum is σ = 16197776. Its totient is φ = 8098884.

The previous prime is 12148327. The next prime is 12148343. The reversal of 12148329 is 92384121.

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 12148329 - 2¹ = 12148327 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12148296 and 12148305.

It is not an unprimeable number, because it can be changed into a prime (12148327) 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, 2024719 + ... + 2024724.

It is an arithmetic number, because the mean of its divisors is an integer number (4049444).

Almost surely, 2^12148329 is an apocalyptic number.

It is an amenable number.

12148329 is a deficient number, since it is larger than the sum of its proper divisors (4049447).

12148329 is an equidigital number, since it uses as much as digits as its factorization.

12148329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049446.

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

The square root of 12148329 is about 3485.4453087088. The cubic root of 12148329 is about 229.8822901150.

The spelling of 12148329 in words is "twelve million, one hundred forty-eight thousand, three hundred twenty-nine".