1392275 has 6 divisors (see below), whose sum is σ = 1726452. Its totient is φ = 1113800.
The previous prime is 1392271. The next prime is 1392277. The reversal of 1392275 is 5722931.
It is not a de Polignac number, because 1392275 - 22 = 1392271 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1392271) 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, 27821 + ... + 27870.
It is an arithmetic number, because the mean of its divisors is an integer number (287742).
21392275 is an apocalyptic number.
1392275 is a deficient number, since it is larger than the sum of its proper divisors (334177).
1392275 is an equidigital number, since it uses as much as digits as its factorization.
1392275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55701 (or 55696 counting only the distinct ones).
The product of its digits is 3780, while the sum is 29.
The square root of 1392275 is about 1179.9470327095. The cubic root of 1392275 is about 111.6627557354.
The spelling of 1392275 in words is "one million, three hundred ninety-two thousand, two hundred seventy-five".
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