1318425 has 12 divisors (see below), whose sum is σ = 2179920. Its totient is φ = 703120.
The previous prime is 1318411. The next prime is 1318441. The reversal of 1318425 is 5248131.
It is not a de Polignac number, because 1318425 - 24 = 1318409 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1318395 and 1318404.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8715 + ... + 8864.
It is an arithmetic number, because the mean of its divisors is an integer number (181660).
21318425 is an apocalyptic number.
1318425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1318425 is a deficient number, since it is larger than the sum of its proper divisors (861495).
1318425 is a wasteful number, since it uses less digits than its factorization.
1318425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17592 (or 17587 counting only the distinct ones).
The product of its digits is 960, while the sum is 24.
The square root of 1318425 is about 1148.2268939543. The cubic root of 1318425 is about 109.6524845416.
The spelling of 1318425 in words is "one million, three hundred eighteen thousand, four hundred twenty-five".
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