12877748 has 12 divisors (see below), whose sum is σ = 24269700. Its totient is φ = 5943552.

The previous prime is 12877727. The next prime is 12877757. The reversal of 12877748 is 84777821.

It can be written as a sum of positive squares in 2 ways, for example, as 753424 + 12124324 = 868^2 + 3482^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12877699 and 12877708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123773 + ... + 123876.

It is an arithmetic number, because the mean of its divisors is an integer number (2022475).

Almost surely, 2^12877748 is an apocalyptic number.

It is an amenable number.

12877748 is a deficient number, since it is larger than the sum of its proper divisors (11391952).

12877748 is a wasteful number, since it uses less digits than its factorization.

12877748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247666 (or 247664 counting only the distinct ones).

The product of its digits is 175616, while the sum is 44.

The square root of 12877748 is about 3588.5579276361. The cubic root of 12877748 is about 234.3940811250.

The spelling of 12877748 in words is "twelve million, eight hundred seventy-seven thousand, seven hundred forty-eight".