1313535 has 16 divisors (see below), whose sum is σ = 2134656. Its totient is φ = 689568.

The previous prime is 1313467. The next prime is 1313567. The reversal of 1313535 is 5353131.

It is a happy number.

It is not a de Polignac number, because 1313535 - 2¹⁵ = 1280767 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 4.

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, 352 + ... + 1658.

It is an arithmetic number, because the mean of its divisors is an integer number (133416).

2^1313535 is an apocalyptic number.

1313535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1313535 is a deficient number, since it is larger than the sum of its proper divisors (821121).

1313535 is a wasteful number, since it uses less digits than its factorization.

1313535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382.

The product of its digits is 675, while the sum is 21.

The square root of 1313535 is about 1146.0955457552. The cubic root of 1313535 is about 109.5167506328.

Adding to 1313535 its reverse (5353131), we get a palindrome (6666666).

The spelling of 1313535 in words is "one million, three hundred thirteen thousand, five hundred thirty-five".