12560001 has 8 divisors (see below), whose sum is σ = 17474880. Its totient is φ = 8009232.

The previous prime is 12559997. The next prime is 12560003. The reversal of 12560001 is 10006521.

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

It is not a de Polignac number, because 12560001 - 2² = 12559997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12560003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90946 + ... + 91083.

It is an arithmetic number, because the mean of its divisors is an integer number (2184360).

Almost surely, 2^12560001 is an apocalyptic number.

It is an amenable number.

12560001 is a deficient number, since it is larger than the sum of its proper divisors (4914879).

12560001 is a wasteful number, since it uses less digits than its factorization.

12560001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182055.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 12560001 is about 3544.0091704170. The cubic root of 12560001 is about 232.4501824123.

Adding to 12560001 its reverse (10006521), we get a palindrome (22566522).

The spelling of 12560001 in words is "twelve million, five hundred sixty thousand, one".