12238647 has 8 divisors (see below), whose sum is σ = 16341360. Its totient is φ = 8147520.

The previous prime is 12238643. The next prime is 12238651. The reversal of 12238647 is 74683221.

It is an interprime number because it is at equal distance from previous prime (12238643) and next prime (12238651).

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

It is not a de Polignac number, because 12238647 - 2² = 12238643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12238643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22 + ... + 4947.

It is an arithmetic number, because the mean of its divisors is an integer number (2042670).

Almost surely, 2^12238647 is an apocalyptic number.

12238647 is a deficient number, since it is larger than the sum of its proper divisors (4102713).

12238647 is an equidigital number, since it uses as much as digits as its factorization.

12238647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5793.

The product of its digits is 16128, while the sum is 33.

The square root of 12238647 is about 3498.3777669085. The cubic root of 12238647 is about 230.4505786010.

It can be divided in two parts, 1223 and 8647, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 12238647 in words is "twelve million, two hundred thirty-eight thousand, six hundred forty-seven".