1373528 has 32 divisors (see below), whose sum is σ = 2842560. Its totient is φ = 618240.

The previous prime is 1373521. The next prime is 1373531. The reversal of 1373528 is 8253731.

It is a self number, because there is not a number n which added to its sum of digits gives 1373528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4748 + ... + 5028.

It is an arithmetic number, because the mean of its divisors is an integer number (88830).

2^1373528 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 1373528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1421280).

1373528 is an abundant number, since it is smaller than the sum of its proper divisors (1469032).

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

1373528 is a wasteful number, since it uses less digits than its factorization.

1373528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 343 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 1373528 is about 1171.9761089715. The cubic root of 1373528 is about 111.1593091636.

The spelling of 1373528 in words is "one million, three hundred seventy-three thousand, five hundred twenty-eight".