1392073 has 8 divisors (see below), whose sum is σ = 1501920. Its totient is φ = 1285920.
The previous prime is 1392007. The next prime is 1392089. The reversal of 1392073 is 3702931.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1392073 - 29 = 1391561 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1392373) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115 + ... + 1672.
It is an arithmetic number, because the mean of its divisors is an integer number (187740).
21392073 is an apocalyptic number.
It is an amenable number.
1392073 is a deficient number, since it is larger than the sum of its proper divisors (109847).
1392073 is a wasteful number, since it uses less digits than its factorization.
1392073 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1847.
The product of its (nonzero) digits is 1134, while the sum is 25.
The square root of 1392073 is about 1179.8614325420. The cubic root of 1392073 is about 111.6573552296.
The spelling of 1392073 in words is "one million, three hundred ninety-two thousand, seventy-three".
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