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12756117 = 311386549
BaseRepresentation
bin110000101010…
…010010010101
3220000002002210
4300222102111
511231143432
61133224033
7213265563
oct60522225
926002083
1012756117
117222950
124332019
1328481ca
1419a0a33
1511be8cc
hexc2a495

12756117 has 8 divisors (see below), whose sum is σ = 18554400. Its totient is φ = 7730960.

The previous prime is 12756091. The next prime is 12756119. The reversal of 12756117 is 71165721.

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 12756117 - 27 = 12755989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12756119) 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, 193242 + ... + 193307.

It is an arithmetic number, because the mean of its divisors is an integer number (2319300).

Almost surely, 212756117 is an apocalyptic number.

It is an amenable number.

12756117 is a deficient number, since it is larger than the sum of its proper divisors (5798283).

12756117 is a wasteful number, since it uses less digits than its factorization.

12756117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386563.

The product of its digits is 2940, while the sum is 30.

The square root of 12756117 is about 3571.5706628877. The cubic root of 12756117 is about 233.6537907516.

The spelling of 12756117 in words is "twelve million, seven hundred fifty-six thousand, one hundred seventeen".

Divisors: 1 3 11 33 386549 1159647 4252039 12756117