12233147 has 4 divisors (see below), whose sum is σ = 12291336. Its totient is φ = 12174960.

The previous prime is 12233107. The next prime is 12233159. The reversal of 12233147 is 74133221.

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

It is a cyclic number.

It is not a de Polignac number, because 12233147 - 2¹² = 12229051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12233107) 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, 28778 + ... + 29199.

It is an arithmetic number, because the mean of its divisors is an integer number (3072834).

Almost surely, 2^12233147 is an apocalyptic number.

12233147 is a deficient number, since it is larger than the sum of its proper divisors (58189).

12233147 is an equidigital number, since it uses as much as digits as its factorization.

12233147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58188.

The product of its digits is 1008, while the sum is 23.

The square root of 12233147 is about 3497.5915999442. The cubic root of 12233147 is about 230.4160522329.

Adding to 12233147 its reverse (74133221), we get a palindrome (86366368).

The spelling of 12233147 in words is "twelve million, two hundred thirty-three thousand, one hundred forty-seven".