12605448387 has 16 divisors (see below), whose sum is σ = 19241610752. Its totient is φ = 7190622720.

The previous prime is 12605448347. The next prime is 12605448413. The reversal of 12605448387 is 78384450621.

It is not a de Polignac number, because 12605448387 - 2¹⁰ = 12605447363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12605448347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508039 + ... + 532272.

It is an arithmetic number, because the mean of its divisors is an integer number (1202600672).

Almost surely, 2^12605448387 is an apocalyptic number.

12605448387 is a deficient number, since it is larger than the sum of its proper divisors (6636162365).

12605448387 is a wasteful number, since it uses less digits than its factorization.

12605448387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040898.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 12605448387 in words is "twelve billion, six hundred five million, four hundred forty-eight thousand, three hundred eighty-seven".