1280908 has 12 divisors (see below), whose sum is σ = 2264080. Its totient is φ = 634032.

The previous prime is 1280887. The next prime is 1280921. The reversal of 1280908 is 8090821.

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, 1143 + ... + 1966.

2^1280908 is an apocalyptic number.

It is an amenable number.

1280908 is a deficient number, since it is larger than the sum of its proper divisors (983172).

1280908 is a wasteful number, since it uses less digits than its factorization.

1280908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216 (or 3214 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 1280908 is about 1131.7720618570. The cubic root of 1280908 is about 108.6023724620.

The spelling of 1280908 in words is "one million, two hundred eighty thousand, nine hundred eight".