12248147 has 4 divisors (see below), whose sum is σ = 12579216. Its totient is φ = 11917080.

The previous prime is 12248123. The next prime is 12248149. The reversal of 12248147 is 74184221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12248147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12248149) 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, 165479 + ... + 165552.

It is an arithmetic number, because the mean of its divisors is an integer number (3144804).

Almost surely, 2^12248147 is an apocalyptic number.

12248147 is a deficient number, since it is larger than the sum of its proper divisors (331069).

12248147 is an equidigital number, since it uses as much as digits as its factorization.

12248147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331068.

The product of its digits is 3584, while the sum is 29.

The square root of 12248147 is about 3499.7352757030. The cubic root of 12248147 is about 230.5101906992.

The spelling of 12248147 in words is "twelve million, two hundred forty-eight thousand, one hundred forty-seven".