12748274 has 16 divisors (see below), whose sum is σ = 23841216. Its totient is φ = 4966800.

The previous prime is 12748247. The next prime is 12748277. The reversal of 12748274 is 47284721.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12748277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41237 + ... + 41544.

It is an arithmetic number, because the mean of its divisors is an integer number (1490076).

Almost surely, 2^12748274 is an apocalyptic number.

12748274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12748274 is a deficient number, since it is larger than the sum of its proper divisors (11092942).

12748274 is a wasteful number, since it uses less digits than its factorization.

12748274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82801.

The product of its digits is 25088, while the sum is 35.

The square root of 12748274 is about 3570.4725177489. The cubic root of 12748274 is about 233.6058941912.

The spelling of 12748274 in words is "twelve million, seven hundred forty-eight thousand, two hundred seventy-four".