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12755317 = 23661839
BaseRepresentation
bin110000101010…
…000101110101
3220000001000011
4300222011311
511231132232
61133220221
7213263341
oct60520565
926001004
1012755317
117222293
124331671
132847a33
1419a0621
1511be547
hexc2a175

12755317 has 8 divisors (see below), whose sum is σ = 13345920. Its totient is φ = 12167760.

The previous prime is 12755311. The next prime is 12755329. The reversal of 12755317 is 71355721.

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

It is a cyclic number.

It is not a de Polignac number, because 12755317 - 223 = 4366709 is a prime.

It is a super-2 number, since 2×127553172 = 325396223540978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12755311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14784 + ... + 15622.

It is an arithmetic number, because the mean of its divisors is an integer number (1668240).

Almost surely, 212755317 is an apocalyptic number.

It is an amenable number.

12755317 is a deficient number, since it is larger than the sum of its proper divisors (590603).

12755317 is an equidigital number, since it uses as much as digits as its factorization.

12755317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523.

The product of its digits is 7350, while the sum is 31.

The square root of 12755317 is about 3571.4586655875. The cubic root of 12755317 is about 233.6489061162.

The spelling of 12755317 in words is "twelve million, seven hundred fifty-five thousand, three hundred seventeen".

Divisors: 1 23 661 839 15203 19297 554579 12755317