12212741 has 8 divisors (see below), whose sum is σ = 12680280. Its totient is φ = 11748352.

The previous prime is 12212719. The next prime is 12212743. The reversal of 12212741 is 14721221.

It can be written as a sum of positive squares in 4 ways, for example, as 1552516 + 10660225 = 1246^2 + 3265^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12212741 - 2⁶ = 12212677 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 (12212743) 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 7 ways as a sum of consecutive naturals, for example, 9641 + ... + 10833.

It is an arithmetic number, because the mean of its divisors is an integer number (1585035).

Almost surely, 2^12212741 is an apocalyptic number.

It is an amenable number.

12212741 is a deficient number, since it is larger than the sum of its proper divisors (467539).

12212741 is a wasteful number, since it uses less digits than its factorization.

12212741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575.

The product of its digits is 224, while the sum is 20.

The square root of 12212741 is about 3494.6732322207. The cubic root of 12212741 is about 230.2878626299.

Adding to 12212741 its reverse (14721221), we get a palindrome (26933962).

The spelling of 12212741 in words is "twelve million, two hundred twelve thousand, seven hundred forty-one".