12229671 has 4 divisors (see below), whose sum is σ = 16306232. Its totient is φ = 8153112.

The previous prime is 12229669. The next prime is 12229699. The reversal of 12229671 is 17692221.

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

It is not a de Polignac number, because 12229671 - 2¹ = 12229669 is a prime.

It is a Duffinian number.

It is a congruent number.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2038276 + ... + 2038281.

It is an arithmetic number, because the mean of its divisors is an integer number (4076558).

Almost surely, 2^12229671 is an apocalyptic number.

12229671 is a deficient number, since it is larger than the sum of its proper divisors (4076561).

12229671 is an equidigital number, since it uses as much as digits as its factorization.

12229671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4076560.

The product of its digits is 3024, while the sum is 30.

The square root of 12229671 is about 3497.0946512784. The cubic root of 12229671 is about 230.3942262309.

The spelling of 12229671 in words is "twelve million, two hundred twenty-nine thousand, six hundred seventy-one".