12748822 has 8 divisors (see below), whose sum is σ = 19146456. Its totient is φ = 6366672.

The previous prime is 12748811. The next prime is 12748837. The reversal of 12748822 is 22884721.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1528 + ... + 5275.

It is an arithmetic number, because the mean of its divisors is an integer number (2393307).

Almost surely, 2^12748822 is an apocalyptic number.

12748822 is a deficient number, since it is larger than the sum of its proper divisors (6397634).

12748822 is an equidigital number, since it uses as much as digits as its factorization.

12748822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7742.

The product of its digits is 14336, while the sum is 34.

The square root of 12748822 is about 3570.5492574673. The cubic root of 12748822 is about 233.6092414207.

The spelling of 12748822 in words is "twelve million, seven hundred forty-eight thousand, eight hundred twenty-two".