1313338 has 8 divisors (see below), whose sum is σ = 2121588. Its totient is φ = 606144.

The previous prime is 1313329. The next prime is 1313339. The reversal of 1313338 is 8333131.

It can be written as a sum of positive squares in 2 ways, for example, as 1306449 + 6889 = 1143^2 + 83^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1313339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25231 + ... + 25282.

2^1313338 is an apocalyptic number.

1313338 is a deficient number, since it is larger than the sum of its proper divisors (808250).

1313338 is a wasteful number, since it uses less digits than its factorization.

1313338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50528.

The product of its digits is 648, while the sum is 22.

The square root of 1313338 is about 1146.0095985636. The cubic root of 1313338 is about 109.5112753622.

Subtracting from 1313338 its sum of digits (22), we obtain a square (1313316 = 1146²).

Adding to 1313338 its reverse (8333131), we get a palindrome (9646469).

The spelling of 1313338 in words is "one million, three hundred thirteen thousand, three hundred thirty-eight".