1313500 has 48 divisors (see below), whose sum is σ = 2987712. Its totient is φ = 504000.

The previous prime is 1313467. The next prime is 1313567. The reversal of 1313500 is 53131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18465 + ... + 18535.

It is an arithmetic number, because the mean of its divisors is an integer number (62244).

2^1313500 is an apocalyptic number.

1313500 is a gapful number since it is divisible by the number (10) 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 1313500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1493856).

1313500 is an abundant number, since it is smaller than the sum of its proper divisors (1674212).

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

1313500 is a wasteful number, since it uses less digits than its factorization.

1313500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 1313500 is about 1146.0802764205. The cubic root of 1313500 is about 109.5157779090.

Adding to 1313500 its reverse (53131), we get a palindrome (1366631).

The spelling of 1313500 in words is "one million, three hundred thirteen thousand, five hundred".