12690768 has 20 divisors (see below), whose sum is σ = 32784608. Its totient is φ = 4230240.

The previous prime is 12690767. The next prime is 12690773. The reversal of 12690768 is 86709621.

It is a super-2 number, since 2×12690768² = 322111184859648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12690763) 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, 132148 + ... + 132243.

Almost surely, 2^12690768 is an apocalyptic number.

It is an amenable number.

12690768 is an abundant number, since it is smaller than the sum of its proper divisors (20093840).

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

12690768 is a wasteful number, since it uses less digits than its factorization.

12690768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264402 (or 264396 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 12690768 is about 3562.4104199264. The cubic root of 12690768 is about 233.2541082507.

The spelling of 12690768 in words is "twelve million, six hundred ninety thousand, seven hundred sixty-eight".