1282928 has 20 divisors (see below), whose sum is σ = 2505048. Its totient is φ = 636480.

The previous prime is 1282913. The next prime is 1282933. The reversal of 1282928 is 8292821.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1282894 and 1282903.

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, 2675 + ... + 3117.

2^1282928 is an apocalyptic number.

It is an amenable number.

1282928 is a deficient number, since it is larger than the sum of its proper divisors (1222120).

1282928 is a wasteful number, since it uses less digits than its factorization.

1282928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 626 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 1282928 is about 1132.6641161439. The cubic root of 1282928 is about 108.6594313540.

The spelling of 1282928 in words is "one million, two hundred eighty-two thousand, nine hundred twenty-eight".