12660163 has 6 divisors (see below), whose sum is σ = 12906404. Its totient is φ = 12418536.

The previous prime is 12660157. The next prime is 12660169. The reversal of 12660163 is 36106621.

It is an interprime number because it is at equal distance from previous prime (12660157) and next prime (12660169).

It is not a de Polignac number, because 12660163 - 2¹³ = 12651971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12660169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556 + ... + 5062.

Almost surely, 2^12660163 is an apocalyptic number.

12660163 is a deficient number, since it is larger than the sum of its proper divisors (246241).

12660163 is an frugal number, since it uses more digits than its factorization.

12660163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613 (or 4560 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 12660163 is about 3558.1122804094. The cubic root of 12660163 is about 233.0664524610.

Adding to 12660163 its reverse (36106621), we get a palindrome (48766784).

The spelling of 12660163 in words is "twelve million, six hundred sixty thousand, one hundred sixty-three".