12229547 has 8 divisors (see below), whose sum is σ = 13394160. Its totient is φ = 11073760.

The previous prime is 12229523. The next prime is 12229549. The reversal of 12229547 is 74592221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12229547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12229549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893 + ... + 5025.

It is an arithmetic number, because the mean of its divisors is an integer number (1674270).

Almost surely, 2^12229547 is an apocalyptic number.

12229547 is a deficient number, since it is larger than the sum of its proper divisors (1164613).

12229547 is a wasteful number, since it uses less digits than its factorization.

12229547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413.

The product of its digits is 10080, while the sum is 32.

The square root of 12229547 is about 3497.0769222309. The cubic root of 12229547 is about 230.3934475515.

The spelling of 12229547 in words is "twelve million, two hundred twenty-nine thousand, five hundred forty-seven".