12669776 has 20 divisors (see below), whose sum is σ = 28054752. Its totient is φ = 5429856.

The previous prime is 12669707. The next prime is 12669791. The reversal of 12669776 is 67796621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56450 + ... + 56673.

Almost surely, 2^12669776 is an apocalyptic number.

12669776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12669776 is an abundant number, since it is smaller than the sum of its proper divisors (15384976).

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

12669776 is a wasteful number, since it uses less digits than its factorization.

12669776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113138 (or 113132 counting only the distinct ones).

The product of its digits is 190512, while the sum is 44.

The square root of 12669776 is about 3559.4628808291. The cubic root of 12669776 is about 233.1254275041.

The spelling of 12669776 in words is "twelve million, six hundred sixty-nine thousand, seven hundred seventy-six".