12877305 has 32 divisors (see below), whose sum is σ = 24364800. Its totient is φ = 5682432.

The previous prime is 12877301. The next prime is 12877331. The reversal of 12877305 is 50377821.

It is not a de Polignac number, because 12877305 - 2² = 12877301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12877301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 931 + ... + 5159.

It is an arithmetic number, because the mean of its divisors is an integer number (761400).

Almost surely, 2^12877305 is an apocalyptic number.

12877305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12877305 is a deficient number, since it is larger than the sum of its proper divisors (11487495).

12877305 is a wasteful number, since it uses less digits than its factorization.

12877305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 12877305 is about 3588.4962031469. The cubic root of 12877305 is about 234.3913933422.

The spelling of 12877305 in words is "twelve million, eight hundred seventy-seven thousand, three hundred five".