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1312107 = 32631663
BaseRepresentation
bin101000000010101101011
32110122212120
411000111223
5313441412
644042323
714103246
oct5002553
92418776
101312107
11816895
125333a3
1336c2c4
1426225d
151adb8c
hex14056b

1312107 has 8 divisors (see below), whose sum is σ = 1757184. Its totient is φ = 870888.

The previous prime is 1312093. The next prime is 1312133. The reversal of 1312107 is 7012131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1312107 - 212 = 1308011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312177) 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, 43 + ... + 1620.

It is an arithmetic number, because the mean of its divisors is an integer number (219648).

21312107 is an apocalyptic number.

1312107 is a deficient number, since it is larger than the sum of its proper divisors (445077).

1312107 is a wasteful number, since it uses less digits than its factorization.

1312107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 1312107 is about 1145.4723916359. The cubic root of 1312107 is about 109.4770494633.

Adding to 1312107 its reverse (7012131), we get a palindrome (8324238).

The spelling of 1312107 in words is "one million, three hundred twelve thousand, one hundred seven".

Divisors: 1 3 263 789 1663 4989 437369 1312107