1280496 has 80 divisors (see below), whose sum is σ = 3920384. Its totient is φ = 352512.

The previous prime is 1280473. The next prime is 1280519. The reversal of 1280496 is 6940821.

It is an interprime number because it is at equal distance from previous prime (1280473) and next prime (1280519).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12381 + ... + 12483.

2^1280496 is an apocalyptic number.

1280496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1280496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1960192).

1280496 is an abundant number, since it is smaller than the sum of its proper divisors (2639888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1280496 is a wasteful number, since it uses less digits than its factorization.

1280496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1280496 is about 1131.5900317695. The cubic root of 1280496 is about 108.5907273437.

It can be divided in two parts, 12 and 80496, that added together give a palindrome (80508).

The spelling of 1280496 in words is "one million, two hundred eighty thousand, four hundred ninety-six".