12960857 has 8 divisors (see below), whose sum is σ = 15951936. Its totient is φ = 10254672.

The previous prime is 12960847. The next prime is 12960877. The reversal of 12960857 is 75806921.

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 12960857 - 2¹² = 12956761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12960857.

It is not an unprimeable number, because it can be changed into a prime (12960847) 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, 71123 + ... + 71304.

It is an arithmetic number, because the mean of its divisors is an integer number (1993992).

Almost surely, 2^12960857 is an apocalyptic number.

It is an amenable number.

12960857 is a deficient number, since it is larger than the sum of its proper divisors (2991079).

12960857 is a wasteful number, since it uses less digits than its factorization.

12960857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142447.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 12960857 is about 3600.1190258101. The cubic root of 12960857 is about 234.8972358893.

The spelling of 12960857 in words is "twelve million, nine hundred sixty thousand, eight hundred fifty-seven".