12667360725 has 36 divisors (see below), whose sum is σ = 22732243456. Its totient is φ = 6742945440.

The previous prime is 12667360723. The next prime is 12667360733. The reversal of 12667360725 is 52706376621.

12667360725 is a `hidden beast` number, since 1 + 266 + 7 + 360 + 7 + 25 = 666.

12667360725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12667360725 - 2¹ = 12667360723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12667360723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 63852 + ... + 171498.

Almost surely, 2^12667360725 is an apocalyptic number.

12667360725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12667360725 is a deficient number, since it is larger than the sum of its proper divisors (10064882731).

12667360725 is a wasteful number, since it uses less digits than its factorization.

12667360725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108186 (or 108178 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 12667360725 in words is "twelve billion, six hundred sixty-seven million, three hundred sixty thousand, seven hundred twenty-five".