1013580 has 48 divisors (see below), whose sum is σ = 3155040. Its totient is φ = 270144.

The previous prime is 1013569. The next prime is 1013581. The reversal of 1013580 is 853101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1013581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399 + ... + 1478.

It is an arithmetic number, because the mean of its divisors is an integer number (65730).

2^1013580 is an apocalyptic number.

1013580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013580 is an abundant number, since it is smaller than the sum of its proper divisors (2141460).

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

1013580 is a wasteful number, since it uses less digits than its factorization.

1013580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895 (or 1887 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1013580 is about 1006.7671031574. The cubic root of 1013580 is about 100.4506329161.

Adding to 1013580 its reverse (853101), we get a palindrome (1866681).

The spelling of 1013580 in words is "one million, thirteen thousand, five hundred eighty".