1281296 has 20 divisors (see below), whose sum is σ = 2518812. Its totient is φ = 631296.

The previous prime is 1281283. The next prime is 1281317. The reversal of 1281296 is 6921821.

It can be written as a sum of positive squares in 2 ways, for example, as 541696 + 739600 = 736^2 + 860^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 620 + ... + 1716.

2^1281296 is an apocalyptic number.

1281296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1281296 is a deficient number, since it is larger than the sum of its proper divisors (1237516).

1281296 is a wasteful number, since it uses less digits than its factorization.

1281296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178 (or 1172 counting only the distinct ones).

The product of its digits is 1728, while the sum is 29.

The square root of 1281296 is about 1131.9434614856. The cubic root of 1281296 is about 108.6133369410.

The spelling of 1281296 in words is "one million, two hundred eighty-one thousand, two hundred ninety-six".