1380967 has 6 divisors (see below), whose sum is σ = 1606488. Its totient is φ = 1183644.
The previous prime is 1380959. The next prime is 1380971. The reversal of 1380967 is 7690831.
It is not a de Polignac number, because 1380967 - 23 = 1380959 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1380947) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14043 + ... + 14140.
It is an arithmetic number, because the mean of its divisors is an integer number (267748).
21380967 is an apocalyptic number.
1380967 is a deficient number, since it is larger than the sum of its proper divisors (225521).
1380967 is an equidigital number, since it uses as much as digits as its factorization.
1380967 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28197 (or 28190 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 34.
The square root of 1380967 is about 1175.1455229034. The cubic root of 1380967 is about 111.3596268192.
The spelling of 1380967 in words is "one million, three hundred eighty thousand, nine hundred sixty-seven".
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