1316244 has 48 divisors (see below), whose sum is σ = 3386880. Its totient is φ = 396000.
The previous prime is 1316239. The next prime is 1316251. The reversal of 1316244 is 4426131.
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 1316244.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5119 + ... + 5369.
It is an arithmetic number, because the mean of its divisors is an integer number (70560).
21316244 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 1316244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1693440).
1316244 is an abundant number, since it is smaller than the sum of its proper divisors (2070636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1316244 is a wasteful number, since it uses less digits than its factorization.
1316244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 300 (or 298 counting only the distinct ones).
The product of its digits is 576, while the sum is 21.
The square root of 1316244 is about 1147.2767756736. The cubic root of 1316244 is about 109.5919870889.
The spelling of 1316244 in words is "one million, three hundred sixteen thousand, two hundred forty-four".
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