1313598 has 32 divisors (see below), whose sum is σ = 3088512. Its totient is φ = 367200.

The previous prime is 1313597. The next prime is 1313621. The reversal of 1313598 is 8953131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93 + ... + 1623.

It is an arithmetic number, because the mean of its divisors is an integer number (96516).

2^1313598 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313598, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1544256).

1313598 is an abundant number, since it is smaller than the sum of its proper divisors (1774914).

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

1313598 is a wasteful number, since it uses less digits than its factorization.

1313598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560.

The product of its digits is 3240, while the sum is 30.

The square root of 1313598 is about 1146.1230300452. The cubic root of 1313598 is about 109.5185014921.

The spelling of 1313598 in words is "one million, three hundred thirteen thousand, five hundred ninety-eight".