1262828 has 36 divisors (see below), whose sum is σ = 2729160. Its totient is φ = 508032.

The previous prime is 1262819. The next prime is 1262839. The reversal of 1262828 is 8282621.

It is a self number, because there is not a number n which added to its sum of digits gives 1262828.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3143 + ... + 3521.

It is an arithmetic number, because the mean of its divisors is an integer number (75810).

2^1262828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1262828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1364580).

1262828 is an abundant number, since it is smaller than the sum of its proper divisors (1466332).

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

1262828 is a wasteful number, since it uses less digits than its factorization.

1262828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 405 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 1262828 is about 1123.7562013177. The cubic root of 1262828 is about 108.0889756030.

The spelling of 1262828 in words is "one million, two hundred sixty-two thousand, eight hundred twenty-eight".