12685776 has 40 divisors (see below), whose sum is σ = 33045504. Its totient is φ = 4193280.

The previous prime is 12685763. The next prime is 12685837. The reversal of 12685776 is 67758621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5056 + ... + 7136.

Almost surely, 2^12685776 is an apocalyptic number.

12685776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12685776 is an abundant number, since it is smaller than the sum of its proper divisors (20359728).

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

12685776 is a wasteful number, since it uses less digits than its factorization.

12685776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219 (or 2213 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 12685776 is about 3561.7097018146. The cubic root of 12685776 is about 233.2235202091.

The spelling of 12685776 in words is "twelve million, six hundred eighty-five thousand, seven hundred seventy-six".