12742255 has 8 divisors (see below), whose sum is σ = 16095600. Its totient is φ = 9657216.

The previous prime is 12742237. The next prime is 12742259. The reversal of 12742255 is 55224721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12742255 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12742259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66970 + ... + 67159.

It is an arithmetic number, because the mean of its divisors is an integer number (2011950).

Almost surely, 2^12742255 is an apocalyptic number.

12742255 is a deficient number, since it is larger than the sum of its proper divisors (3353345).

12742255 is a wasteful number, since it uses less digits than its factorization.

12742255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134153.

The product of its digits is 5600, while the sum is 28.

The square root of 12742255 is about 3569.6295325986. The cubic root of 12742255 is about 233.5691233252.

Adding to 12742255 its reverse (55224721), we get a palindrome (67966976).

The spelling of 12742255 in words is "twelve million, seven hundred forty-two thousand, two hundred fifty-five".