1322748 has 72 divisors (see below), whose sum is σ = 3974880. Its totient is φ = 362880.

The previous prime is 1322747. The next prime is 1322749. The reversal of 1322748 is 8472231.

It is an interprime number because it is at equal distance from previous prime (1322747) and next prime (1322749).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7218 + ... + 7398.

2^1322748 is an apocalyptic number.

1322748 is a gapful number since it is divisible by the number (18) 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 1322748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1987440).

1322748 is an abundant number, since it is smaller than the sum of its proper divisors (2652132).

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

1322748 is a wasteful number, since it uses less digits than its factorization.

1322748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 222 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 1322748 is about 1150.1078210324. The cubic root of 1322748 is about 109.7722007520.

Adding to 1322748 its reverse (8472231), we get a palindrome (9794979).

The spelling of 1322748 in words is "one million, three hundred twenty-two thousand, seven hundred forty-eight".