12974705 has 8 divisors (see below), whose sum is σ = 15596712. Its totient is φ = 10361728.

The previous prime is 12974693. The next prime is 12974711. The reversal of 12974705 is 50747921.

It can be written as a sum of positive squares in 4 ways, for example, as 3265249 + 9709456 = 1807^2 + 3116^2 .

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 12974705 - 2⁶ = 12974641 is a prime.

It is a Duffinian number.

It is a Curzon 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, 1469 + ... + 5301.

It is an arithmetic number, because the mean of its divisors is an integer number (1949589).

Almost surely, 2^12974705 is an apocalyptic number.

It is an amenable number.

12974705 is a deficient number, since it is larger than the sum of its proper divisors (2622007).

12974705 is an equidigital number, since it uses as much as digits as its factorization.

12974705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4515.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 12974705 is about 3602.0417821008. The cubic root of 12974705 is about 234.9808645955.

The spelling of 12974705 in words is "twelve million, nine hundred seventy-four thousand, seven hundred five".