1313385 has 8 divisors (see below), whose sum is σ = 2101440. Its totient is φ = 700464.

The previous prime is 1313383. The next prime is 1313423. The reversal of 1313385 is 5833131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1313385 - 2¹ = 1313383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43765 + ... + 43794.

It is an arithmetic number, because the mean of its divisors is an integer number (262680).

2^1313385 is an apocalyptic number.

1313385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1313385 is a deficient number, since it is larger than the sum of its proper divisors (788055).

1313385 is an equidigital number, since it uses as much as digits as its factorization.

1313385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87567.

The product of its digits is 1080, while the sum is 24.

The square root of 1313385 is about 1146.0301043166. The cubic root of 1313385 is about 109.5125816948.

It can be divided in two parts, 1313 and 385, that multiplied together give a palindrome (505505).

The spelling of 1313385 in words is "one million, three hundred thirteen thousand, three hundred eighty-five".