12748705 has 8 divisors (see below), whose sum is σ = 15334272. Its totient is φ = 10175088.

The previous prime is 12748699. The next prime is 12748711. The reversal of 12748705 is 50784721.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12748699) and next prime (12748711).

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

It is a cyclic number.

It is not a de Polignac number, because 12748705 - 2⁹ = 12748193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439 + ... + 5068.

It is an arithmetic number, because the mean of its divisors is an integer number (1916784).

Almost surely, 2^12748705 is an apocalyptic number.

It is an amenable number.

12748705 is a deficient number, since it is larger than the sum of its proper divisors (2585567).

12748705 is an equidigital number, since it uses as much as digits as its factorization.

12748705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5975.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 12748705 is about 3570.5328733958. The cubic root of 12748705 is about 233.6085267830.

The spelling of 12748705 in words is "twelve million, seven hundred forty-eight thousand, seven hundred five".