12748242 has 32 divisors (see below), whose sum is σ = 27595008. Its totient is φ = 3902976.

The previous prime is 12748231. The next prime is 12748247. The reversal of 12748242 is 24284721.

It is not an unprimeable number, because it can be changed into a prime (12748247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27303 + ... + 27765.

It is an arithmetic number, because the mean of its divisors is an integer number (862344).

Almost surely, 2^12748242 is an apocalyptic number.

12748242 is an abundant number, since it is smaller than the sum of its proper divisors (14846766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12748242 is a wasteful number, since it uses less digits than its factorization.

12748242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834.

The product of its digits is 7168, while the sum is 30.

The square root of 12748242 is about 3570.4680365465. The cubic root of 12748242 is about 233.6056987296.

The spelling of 12748242 in words is "twelve million, seven hundred forty-eight thousand, two hundred forty-two".