12977012 has 6 divisors (see below), whose sum is σ = 22709778. Its totient is φ = 6488504.

The previous prime is 12977009. The next prime is 12977017. The reversal of 12977012 is 21077921.

It can be written as a sum of positive squares in only one way, i.e., 12931216 + 45796 = 3596^2 + 214^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12977017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622123 + ... + 1622130.

It is an arithmetic number, because the mean of its divisors is an integer number (3784963).

Almost surely, 2^12977012 is an apocalyptic number.

It is an amenable number.

12977012 is a deficient number, since it is larger than the sum of its proper divisors (9732766).

12977012 is a wasteful number, since it uses less digits than its factorization.

12977012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244257 (or 3244255 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 12977012 is about 3602.3620029086. The cubic root of 12977012 is about 234.9947908910.

The spelling of 12977012 in words is "twelve million, nine hundred seventy-seven thousand, twelve".