1312927 has 24 divisors (see below), whose sum is σ = 1768320. Its totient is φ = 946560.
The previous prime is 1312921. The next prime is 1312931. The reversal of 1312927 is 7292131.
It is not a de Polignac number, because 1312927 - 215 = 1280159 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 (1312921) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22224 + ... + 22282.
It is an arithmetic number, because the mean of its divisors is an integer number (73680).
21312927 is an apocalyptic number.
1312927 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
1312927 is a deficient number, since it is larger than the sum of its proper divisors (455393).
1312927 is a wasteful number, since it uses less digits than its factorization.
1312927 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111 (or 94 counting only the distinct ones).
The product of its digits is 756, while the sum is 25.
The square root of 1312927 is about 1145.8302666626. The cubic root of 1312927 is about 109.4998505728.
The spelling of 1312927 in words is "one million, three hundred twelve thousand, nine hundred twenty-seven".
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