1342728 has 48 divisors (see below), whose sum is σ = 3853980. Its totient is φ = 420864.

The previous prime is 1342727. The next prime is 1342739. The reversal of 1342728 is 8272431.

It can be written as a sum of positive squares in 2 ways, for example, as 1340964 + 1764 = 1158^2 + 42^2 .

It is not an unprimeable number, because it can be changed into a prime (1342723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 676 + ... + 1772.

2^1342728 is an apocalyptic number.

1342728 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 1342728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1926990).

1342728 is an abundant number, since it is smaller than the sum of its proper divisors (2511252).

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

1342728 is a wasteful number, since it uses less digits than its factorization.

1342728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126 (or 1119 counting only the distinct ones).

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

The square root of 1342728 is about 1158.7614077108. The cubic root of 1342728 is about 110.3221410706.

The spelling of 1342728 in words is "one million, three hundred forty-two thousand, seven hundred twenty-eight".