1380995 has 32 divisors (see below), whose sum is σ = 2198016. Its totient is φ = 806400.
The previous prime is 1380983. The next prime is 1380997. The reversal of 1380995 is 5990831.
It is not a de Polignac number, because 1380995 - 26 = 1380931 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1380997) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6440 + ... + 6650.
It is an arithmetic number, because the mean of its divisors is an integer number (68688).
21380995 is an apocalyptic number.
1380995 is a deficient number, since it is larger than the sum of its proper divisors (817021).
1380995 is a wasteful number, since it uses less digits than its factorization.
1380995 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 251.
The product of its (nonzero) digits is 9720, while the sum is 35.
The square root of 1380995 is about 1175.1574362612. The cubic root of 1380995 is about 111.3603794436.
The spelling of 1380995 in words is "one million, three hundred eighty thousand, nine hundred ninety-five".
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