1351728 has 100 divisors (see below), whose sum is σ = 4501200. Its totient is φ = 383616.

The previous prime is 1351711. The next prime is 1351747. The reversal of 1351728 is 8271531.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 6.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8998 + ... + 9146.

It is an arithmetic number, because the mean of its divisors is an integer number (45012).

2^1351728 is an apocalyptic number.

1351728 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 1351728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2250600).

1351728 is an abundant number, since it is smaller than the sum of its proper divisors (3149472).

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

1351728 is a wasteful number, since it uses less digits than its factorization.

1351728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 161 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 1351728 is about 1162.6383788608. The cubic root of 1351728 is about 110.5680804570.

The spelling of 1351728 in words is "one million, three hundred fifty-one thousand, seven hundred twenty-eight".