1380315 has 16 divisors (see below), whose sum is σ = 2338848. Its totient is φ = 692736.
The previous prime is 1380307. The next prime is 1380317. The reversal of 1380315 is 5130831.
It is a happy number.
It is not a de Polignac number, because 1380315 - 23 = 1380307 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1380291 and 1380300.
It is not an unprimeable number, because it can be changed into a prime (1380317) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2452 + ... + 2961.
It is an arithmetic number, because the mean of its divisors is an integer number (146178).
21380315 is an apocalyptic number.
1380315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1380315 is a deficient number, since it is larger than the sum of its proper divisors (958533).
1380315 is a wasteful number, since it uses less digits than its factorization.
1380315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5438.
The product of its (nonzero) digits is 360, while the sum is 21.
The square root of 1380315 is about 1174.8680777006. The cubic root of 1380315 is about 111.3420985446.
The spelling of 1380315 in words is "one million, three hundred eighty thousand, three hundred fifteen".
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