1315927 has 2 divisors, whose sum is σ = 1315928. Its totient is φ = 1315926.
The previous prime is 1315907. The next prime is 1315931. The reversal of 1315927 is 7295131.
It is a strong prime.
It is an emirp because it is prime and its reverse (7295131) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1315927 - 215 = 1283159 is a prime.
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 1315895 and 1315904.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1315907) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657963 + 657964.
It is an arithmetic number, because the mean of its divisors is an integer number (657964).
21315927 is an apocalyptic number.
1315927 is a deficient number, since it is larger than the sum of its proper divisors (1).
1315927 is an equidigital number, since it uses as much as digits as its factorization.
1315927 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1890, while the sum is 28.
The square root of 1315927 is about 1147.1386141178. The cubic root of 1315927 is about 109.5831884545.
The spelling of 1315927 in words is "one million, three hundred fifteen thousand, nine hundred twenty-seven".
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