1313898 has 16 divisors (see below), whose sum is σ = 2742336. Its totient is φ = 418880.

The previous prime is 1313891. The next prime is 1313899. The reversal of 1313898 is 8983131.

It is not an unprimeable number, because it can be changed into a prime (1313891) 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, 4623 + ... + 4898.

It is an arithmetic number, because the mean of its divisors is an integer number (171396).

2^1313898 is an apocalyptic number.

1313898 is an abundant number, since it is smaller than the sum of its proper divisors (1428438).

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

1313898 is a wasteful number, since it uses less digits than its factorization.

1313898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9549.

The product of its digits is 5184, while the sum is 33.

The square root of 1313898 is about 1146.2538985757. The cubic root of 1313898 is about 109.5268381495.

It can be divided in two parts, 1313 and 898, that added together give a triangular number (2211 = T₆₆).

The spelling of 1313898 in words is "one million, three hundred thirteen thousand, eight hundred ninety-eight".