12660875146 has 8 divisors (see below), whose sum is σ = 18995920164. Its totient is φ = 6328901760.

The previous prime is 12660875141. The next prime is 12660875167. The reversal of 12660875146 is 64157806621.

It can be written as a sum of positive squares in 2 ways, for example, as 12597593121 + 63282025 = 112239^2 + 7955^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12660875096 and 12660875105.

It is not an unprimeable number, because it can be changed into a prime (12660875141) 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 3 ways as a sum of consecutive naturals, for example, 757575 + ... + 774106.

Almost surely, 2^12660875146 is an apocalyptic number.

12660875146 is a deficient number, since it is larger than the sum of its proper divisors (6335045018).

12660875146 is a wasteful number, since it uses less digits than its factorization.

12660875146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535816.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 12660875146 in words is "twelve billion, six hundred sixty million, eight hundred seventy-five thousand, one hundred forty-six".