1373328 has 120 divisors (see below), whose sum is σ = 4568160. Its totient is φ = 391680.

The previous prime is 1373321. The next prime is 1373341. The reversal of 1373328 is 8233731.

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

It is not an unprimeable number, because it can be changed into a prime (1373321) 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, 80776 + ... + 80792.

It is an arithmetic number, because the mean of its divisors is an integer number (38068).

2^1373328 is an apocalyptic number.

1373328 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 1373328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2284080).

1373328 is an abundant number, since it is smaller than the sum of its proper divisors (3194832).

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

1373328 is a wasteful number, since it uses less digits than its factorization.

1373328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 33 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 1373328 is about 1171.8907798938. The cubic root of 1373328 is about 111.1539135835.

The spelling of 1373328 in words is "one million, three hundred seventy-three thousand, three hundred twenty-eight".