12663371 has 8 divisors (see below), whose sum is σ = 14809344. Its totient is φ = 10601640.

The previous prime is 12663359. The next prime is 12663373. The reversal of 12663371 is 17336621.

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

It is not a de Polignac number, because 12663371 - 2¹⁰ = 12662347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12663373) 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 7 ways as a sum of consecutive naturals, for example, 20735 + ... + 21336.

It is an arithmetic number, because the mean of its divisors is an integer number (1851168).

Almost surely, 2^12663371 is an apocalyptic number.

12663371 is a deficient number, since it is larger than the sum of its proper divisors (2145973).

12663371 is an equidigital number, since it uses as much as digits as its factorization.

12663371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42121.

The product of its digits is 4536, while the sum is 29.

The square root of 12663371 is about 3558.5630526942. The cubic root of 12663371 is about 233.0861366214.

Adding to 12663371 its reverse (17336621), we get a palindrome (29999992).

The spelling of 12663371 in words is "twelve million, six hundred sixty-three thousand, three hundred seventy-one".