12864601841 has 64 divisors (see below), whose sum is σ = 16666890240. Its totient is φ = 9660591360.

The previous prime is 12864601801. The next prime is 12864601853. The reversal of 12864601841 is 14810646821.

It is a happy number.

It is not a de Polignac number, because 12864601841 - 2²⁶ = 12797492977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12864601801) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23779031 + ... + 23779571.

It is an arithmetic number, because the mean of its divisors is an integer number (260420160).

Almost surely, 2^12864601841 is an apocalyptic number.

It is an amenable number.

12864601841 is a deficient number, since it is larger than the sum of its proper divisors (3802288399).

12864601841 is a wasteful number, since it uses less digits than its factorization.

12864601841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766.

The product of its (nonzero) digits is 73728, while the sum is 41.

The spelling of 12864601841 in words is "twelve billion, eight hundred sixty-four million, six hundred one thousand, eight hundred forty-one".