1316740 has 12 divisors (see below), whose sum is σ = 2765196. Its totient is φ = 526688.
The previous prime is 1316729. The next prime is 1316741. The reversal of 1316740 is 476131.
It can be written as a sum of positive squares in 2 ways, for example, as 304704 + 1012036 = 552^2 + 1006^2 .
It is not an unprimeable number, because it can be changed into a prime (1316741) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32899 + ... + 32938.
It is an arithmetic number, because the mean of its divisors is an integer number (230433).
21316740 is an apocalyptic number.
1316740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1316740 is an abundant number, since it is smaller than the sum of its proper divisors (1448456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1316740 is a wasteful number, since it uses less digits than its factorization.
1316740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65846 (or 65844 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 22.
The square root of 1316740 is about 1147.4929193681. The cubic root of 1316740 is about 109.6057512033.
The spelling of 1316740 in words is "one million, three hundred sixteen thousand, seven hundred forty".
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