12587666653 has 8 divisors (see below), whose sum is σ = 13016574720. Its totient is φ = 12160187040.

The previous prime is 12587666647. The next prime is 12587666657. The reversal of 12587666653 is 35666678521.

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 12587666653 - 2⁵ = 12587666621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12587666594 and 12587666603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12587666657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339175 + ... + 374452.

It is an arithmetic number, because the mean of its divisors is an integer number (1627071840).

Almost surely, 2^12587666653 is an apocalyptic number.

It is an amenable number.

12587666653 is a deficient number, since it is larger than the sum of its proper divisors (428908067).

12587666653 is an equidigital number, since it uses as much as digits as its factorization.

12587666653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714227.

The product of its digits is 10886400, while the sum is 55.

The spelling of 12587666653 in words is "twelve billion, five hundred eighty-seven million, six hundred sixty-six thousand, six hundred fifty-three".