1313488 has 40 divisors (see below), whose sum is σ = 2946240. Its totient is φ = 560640.

The previous prime is 1313467. The next prime is 1313567. The reversal of 1313488 is 8843131.

It is a super-2 number, since 2×1313488² = 3450501452288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2773 + ... + 3211.

It is an arithmetic number, because the mean of its divisors is an integer number (73656).

2^1313488 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 1313488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1473120).

1313488 is an abundant number, since it is smaller than the sum of its proper divisors (1632752).

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

1313488 is a wasteful number, since it uses less digits than its factorization.

1313488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 469 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 1313488 is about 1146.0750411731. The cubic root of 1313488 is about 109.5154443997.

The spelling of 1313488 in words is "one million, three hundred thirteen thousand, four hundred eighty-eight".