12977248 has 24 divisors (see below), whose sum is σ = 25657128. Its totient is φ = 6461184.

The previous prime is 12977243. The next prime is 12977287. The reversal of 12977248 is 84277921.

It is a self number, because there is not a number n which added to its sum of digits gives 12977248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12977243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8340 + ... + 9772.

It is an arithmetic number, because the mean of its divisors is an integer number (1069047).

Almost surely, 2^12977248 is an apocalyptic number.

It is an amenable number.

12977248 is a deficient number, since it is larger than the sum of its proper divisors (12679880).

12977248 is a wasteful number, since it uses less digits than its factorization.

12977248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726 (or 1718 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 12977248 is about 3602.3947590457. The cubic root of 12977248 is about 234.9962154212.

It can be divided in two parts, 12977 and 248, that added together give a square (13225 = 115²).

The spelling of 12977248 in words is "twelve million, nine hundred seventy-seven thousand, two hundred forty-eight".