12742558 has 8 divisors (see below), whose sum is σ = 19283328. Its totient is φ = 6314784.

The previous prime is 12742553. The next prime is 12742579. The reversal of 12742558 is 85524721.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12742553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27966 + ... + 28417.

It is an arithmetic number, because the mean of its divisors is an integer number (2410416).

Almost surely, 2^12742558 is an apocalyptic number.

12742558 is a deficient number, since it is larger than the sum of its proper divisors (6540770).

12742558 is a wasteful number, since it uses less digits than its factorization.

12742558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56498.

The product of its digits is 22400, while the sum is 34.

The square root of 12742558 is about 3569.6719737253. The cubic root of 12742558 is about 233.5709746690.

The spelling of 12742558 in words is "twelve million, seven hundred forty-two thousand, five hundred fifty-eight".