1313808 has 40 divisors (see below), whose sum is σ = 3440256. Its totient is φ = 432000.

The previous prime is 1313797. The next prime is 1313813. The reversal of 1313808 is 8083131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4713 + ... + 4983.

2^1313808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1720128).

1313808 is an abundant number, since it is smaller than the sum of its proper divisors (2126448).

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

1313808 is a wasteful number, since it uses less digits than its factorization.

1313808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1313808 is about 1146.2146395854. The cubic root of 1313808 is about 109.5243372855.

Adding to 1313808 its reverse (8083131), we get a palindrome (9396939).

The spelling of 1313808 in words is "one million, three hundred thirteen thousand, eight hundred eight".