12741215 has 4 divisors (see below), whose sum is σ = 15289464. Its totient is φ = 10192968.

The previous prime is 12741193. The next prime is 12741233. The reversal of 12741215 is 51214721.

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 12741215 - 2²² = 8546911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1274117 + ... + 1274126.

It is an arithmetic number, because the mean of its divisors is an integer number (3822366).

Almost surely, 2^12741215 is an apocalyptic number.

12741215 is a deficient number, since it is larger than the sum of its proper divisors (2548249).

12741215 is an equidigital number, since it uses as much as digits as its factorization.

12741215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548248.

The product of its digits is 560, while the sum is 23.

The square root of 12741215 is about 3569.4838562459. The cubic root of 12741215 is about 233.5627686547.

Adding to 12741215 its reverse (51214721), we get a palindrome (63955936).

The spelling of 12741215 in words is "twelve million, seven hundred forty-one thousand, two hundred fifteen".