12605623601 has 8 divisors (see below), whose sum is σ = 12692289408. Its totient is φ = 12519000000.

The previous prime is 12605623577. The next prime is 12605623619. The reversal of 12605623601 is 10632650621.

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 12605623601 - 2²² = 12601429297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12605623661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800201 + ... + 815801.

It is an arithmetic number, because the mean of its divisors is an integer number (1586536176).

Almost surely, 2^12605623601 is an apocalyptic number.

It is an amenable number.

12605623601 is a deficient number, since it is larger than the sum of its proper divisors (86665807).

12605623601 is a wasteful number, since it uses less digits than its factorization.

12605623601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21103.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 12605623601 in words is "twelve billion, six hundred five million, six hundred twenty-three thousand, six hundred one".