1313104 has 40 divisors (see below), whose sum is σ = 2812320. Its totient is φ = 590208.

The previous prime is 1313087. The next prime is 1313141. The reversal of 1313104 is 4013131.

It is a super-2 number, since 2×1313104² = 3448484229632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12219 + ... + 12325.

It is an arithmetic number, because the mean of its divisors is an integer number (70308).

2^1313104 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 1313104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1406160).

1313104 is an abundant number, since it is smaller than the sum of its proper divisors (1499216).

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

1313104 is a wasteful number, since it uses less digits than its factorization.

1313104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1313104 is about 1145.9075006300. The cubic root of 1313104 is about 109.5047710299.

Adding to 1313104 its reverse (4013131), we get a palindrome (5326235).

The spelling of 1313104 in words is "one million, three hundred thirteen thousand, one hundred four".