12229641 has 12 divisors (see below), whose sum is σ = 17784000. Its totient is φ = 8098200.

The previous prime is 12229631. The next prime is 12229667. The reversal of 12229641 is 14692221.

12229641 is a `hidden beast` number, since 12 + 2 + 2 + 9 + 641 = 666.

It is not a de Polignac number, because 12229641 - 2⁷ = 12229513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12229601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3141 + ... + 5858.

It is an arithmetic number, because the mean of its divisors is an integer number (1482000).

Almost surely, 2^12229641 is an apocalyptic number.

It is an amenable number.

12229641 is a deficient number, since it is larger than the sum of its proper divisors (5554359).

12229641 is a wasteful number, since it uses less digits than its factorization.

12229641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9156 (or 9153 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 12229641 is about 3497.0903620010. The cubic root of 12229641 is about 230.3940378412.

The spelling of 12229641 in words is "twelve million, two hundred twenty-nine thousand, six hundred forty-one".