12508163 has 4 divisors (see below), whose sum is σ = 12694920. Its totient is φ = 12321408.

The previous prime is 12508151. The next prime is 12508169. The reversal of 12508163 is 36180521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36180521 = 13 ⋅2783117.

It is a cyclic number.

It is not a de Polignac number, because 12508163 - 2⁴ = 12508147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12508169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93278 + ... + 93411.

It is an arithmetic number, because the mean of its divisors is an integer number (3173730).

Almost surely, 2^12508163 is an apocalyptic number.

12508163 is a deficient number, since it is larger than the sum of its proper divisors (186757).

12508163 is an equidigital number, since it uses as much as digits as its factorization.

12508163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186756.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 12508163 is about 3536.6881400542. The cubic root of 12508163 is about 232.1299497405.

Adding to 12508163 its reverse (36180521), we get a palindrome (48688684).

The spelling of 12508163 in words is "twelve million, five hundred eight thousand, one hundred sixty-three".