12763668 has 96 divisors (see below), whose sum is σ = 34473600. Its totient is φ = 3649536.

The previous prime is 12763637. The next prime is 12763693. The reversal of 12763668 is 86636721.

It is a super-2 number, since 2×12763668² = 325822441628448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143368 + ... + 143456.

It is an arithmetic number, because the mean of its divisors is an integer number (359100).

Almost surely, 2^12763668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12763668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17236800).

12763668 is an abundant number, since it is smaller than the sum of its proper divisors (21709932).

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

12763668 is a wasteful number, since it uses less digits than its factorization.

12763668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 167 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 12763668 is about 3572.6276044391. The cubic root of 12763668 is about 233.6998855457.

It can be divided in two parts, 12763 and 668, that added together give a palindrome (13431).

The spelling of 12763668 in words is "twelve million, seven hundred sixty-three thousand, six hundred sixty-eight".