12634169 has 4 divisors (see below), whose sum is σ = 13069860. Its totient is φ = 12198480.

The previous prime is 12634151. The next prime is 12634187. The reversal of 12634169 is 96143621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96143621 = 7 ⋅13734803.

It is an interprime number because it is at equal distance from previous prime (12634151) and next prime (12634187).

It can be written as a sum of positive squares in 2 ways, for example, as 2930944 + 9703225 = 1712^2 + 3115^2 .

It is a cyclic number.

It is not a de Polignac number, because 12634169 - 2¹² = 12630073 is a prime.

It is a super-2 number, since 2×12634169² = 319244452641122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12634129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217802 + ... + 217859.

It is an arithmetic number, because the mean of its divisors is an integer number (3267465).

Almost surely, 2^12634169 is an apocalyptic number.

It is an amenable number.

12634169 is a deficient number, since it is larger than the sum of its proper divisors (435691).

12634169 is an equidigital number, since it uses as much as digits as its factorization.

12634169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435690.

The product of its digits is 7776, while the sum is 32.

The square root of 12634169 is about 3554.4576238858. The cubic root of 12634169 is about 232.9068315450.

The spelling of 12634169 in words is "twelve million, six hundred thirty-four thousand, one hundred sixty-nine".