1313540 has 12 divisors (see below), whose sum is σ = 2758476. Its totient is φ = 525408.

The previous prime is 1313467. The next prime is 1313567. The reversal of 1313540 is 453131.

It can be written as a sum of positive squares in 2 ways, for example, as 329476 + 984064 = 574^2 + 992^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32819 + ... + 32858.

It is an arithmetic number, because the mean of its divisors is an integer number (229873).

2^1313540 is an apocalyptic number.

1313540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313540 is an abundant number, since it is smaller than the sum of its proper divisors (1444936).

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

1313540 is a wasteful number, since it uses less digits than its factorization.

1313540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65686 (or 65684 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1313540 is about 1146.0977270722. The cubic root of 1313540 is about 109.5168895919.

Adding to 1313540 its reverse (453131), we get a palindrome (1766671).

The spelling of 1313540 in words is "one million, three hundred thirteen thousand, five hundred forty".