12777080 has 16 divisors (see below), whose sum is σ = 28748520. Its totient is φ = 5110816.

The previous prime is 12777077. The next prime is 12777113. The reversal of 12777080 is 8077721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159674 + ... + 159753.

Almost surely, 2^12777080 is an apocalyptic number.

12777080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12777080 is an abundant number, since it is smaller than the sum of its proper divisors (15971440).

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

12777080 is a wasteful number, since it uses less digits than its factorization.

12777080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319438 (or 319434 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 32.

The square root of 12777080 is about 3574.5041614188. The cubic root of 12777080 is about 233.7817137902.

The spelling of 12777080 in words is "twelve million, seven hundred seventy-seven thousand, eighty".