1262656 has 28 divisors (see below), whose sum is σ = 2542540. Its totient is φ = 622080.

The previous prime is 1262633. The next prime is 1262669. The reversal of 1262656 is 6562621.

It can be written as a sum of positive squares in 2 ways, for example, as 341056 + 921600 = 584^2 + 960^2 .

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, 6886 + ... + 7066.

It is an arithmetic number, because the mean of its divisors is an integer number (90805).

2^1262656 is an apocalyptic number.

1262656 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 1262656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1271270).

1262656 is an abundant number, since it is smaller than the sum of its proper divisors (1279884).

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

1262656 is a wasteful number, since it uses less digits than its factorization.

1262656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 292 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 1262656 is about 1123.6796696568. The cubic root of 1262656 is about 108.0840680600.

The spelling of 1262656 in words is "one million, two hundred sixty-two thousand, six hundred fifty-six".