1313460 has 36 divisors (see below), whose sum is σ = 3984708. Its totient is φ = 350208.
The previous prime is 1313453. The next prime is 1313467. The reversal of 1313460 is 643131.
It is an interprime number because it is at equal distance from previous prime (1313453) and next prime (1313467).
It can be written as a sum of positive squares in 2 ways, for example, as 459684 + 853776 = 678^2 + 924^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1313467) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3469 + ... + 3828.
21313460 is an apocalyptic number.
1313460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1313460 is an abundant number, since it is smaller than the sum of its proper divisors (2671248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1313460 is a wasteful number, since it uses less digits than its factorization.
1313460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7312 (or 7307 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 1313460 is about 1146.0628255030. The cubic root of 1313460 is about 109.5146662034.
Adding to 1313460 its reverse (643131), we get a palindrome (1956591).
The spelling of 1313460 in words is "one million, three hundred thirteen thousand, four hundred sixty".
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