12977265 has 16 divisors (see below), whose sum is σ = 23730048. Its totient is φ = 5932416.

The previous prime is 12977243. The next prime is 12977287. The reversal of 12977265 is 56277921.

12977265 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12977243) and next prime (12977287).

It is not a de Polignac number, because 12977265 - 2⁵ = 12977233 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61692 + ... + 61901.

It is an arithmetic number, because the mean of its divisors is an integer number (1483128).

Almost surely, 2^12977265 is an apocalyptic number.

12977265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12977265 is a deficient number, since it is larger than the sum of its proper divisors (10752783).

12977265 is a wasteful number, since it uses less digits than its factorization.

12977265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123608.

The product of its digits is 52920, while the sum is 39.

The square root of 12977265 is about 3602.3971185865. The cubic root of 12977265 is about 234.9963180350.

The spelling of 12977265 in words is "twelve million, nine hundred seventy-seven thousand, two hundred sixty-five".