12663376 has 60 divisors (see below), whose sum is σ = 27970432. Its totient is φ = 5544000.

The previous prime is 12663373. The next prime is 12663389. The reversal of 12663376 is 67336621.

It is a super-2 number, since 2×12663376² = 320722183434752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12663373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59911 + ... + 60121.

Almost surely, 2^12663376 is an apocalyptic number.

12663376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12663376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13985216).

12663376 is an abundant number, since it is smaller than the sum of its proper divisors (15307056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12663376 is a wasteful number, since it uses less digits than its factorization.

12663376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 255 counting only the distinct ones).

The product of its digits is 27216, while the sum is 34.

The square root of 12663376 is about 3558.5637552249. The cubic root of 12663376 is about 233.0861672986.

Adding to 12663376 its reverse (67336621), we get a palindrome (79999997).

The spelling of 12663376 in words is "twelve million, six hundred sixty-three thousand, three hundred seventy-six".