12742263 has 12 divisors (see below), whose sum is σ = 18437328. Its totient is φ = 8480160.

The previous prime is 12742259. The next prime is 12742273. The reversal of 12742263 is 36224721.

It is not a de Polignac number, because 12742263 - 2² = 12742259 is a prime.

It is a super-2 number, since 2×12742263² = 324730532722338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12742273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7678 + ... + 9188.

It is an arithmetic number, because the mean of its divisors is an integer number (1536444).

Almost surely, 2^12742263 is an apocalyptic number.

12742263 is a deficient number, since it is larger than the sum of its proper divisors (5695065).

12742263 is a wasteful number, since it uses less digits than its factorization.

12742263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454 (or 2451 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 12742263 is about 3569.6306531629. The cubic root of 12742263 is about 233.5691722060.

Adding to 12742263 its reverse (36224721), we get a palindrome (48966984).

The spelling of 12742263 in words is "twelve million, seven hundred forty-two thousand, two hundred sixty-three".