1282656 has 48 divisors (see below), whose sum is σ = 3483648. Its totient is φ = 412800.

The previous prime is 1282649. The next prime is 1282657. The reversal of 1282656 is 6562821.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2761 + ... + 3191.

It is an arithmetic number, because the mean of its divisors is an integer number (72576).

2^1282656 is an apocalyptic number.

1282656 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 1282656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1741824).

1282656 is an abundant number, since it is smaller than the sum of its proper divisors (2200992).

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

1282656 is a wasteful number, since it uses less digits than its factorization.

1282656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 467 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 1282656 is about 1132.5440388788. The cubic root of 1282656 is about 108.6517516676.

It can be divided in two parts, 128265 and 6, that added together give a triangular number (128271 = T₅₀₆).

The spelling of 1282656 in words is "one million, two hundred eighty-two thousand, six hundred fifty-six".