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12757017 = 371383563
BaseRepresentation
bin110000101010…
…100000011001
3220000010100010
4300222200121
511231211032
61133232133
7213301320
oct60524031
926003303
1012757017
117223599
124332649
132848740
1419a10b7
1511beccc
hexc2a819

12757017 has 32 divisors (see below), whose sum is σ = 21224448. Its totient is φ = 6636096.

The previous prime is 12756979. The next prime is 12757049. The reversal of 12757017 is 71075721.

It is not a de Polignac number, because 12757017 - 211 = 12754969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12757057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22378 + ... + 22940.

It is an arithmetic number, because the mean of its divisors is an integer number (663264).

Almost surely, 212757017 is an apocalyptic number.

It is an amenable number.

12757017 is a deficient number, since it is larger than the sum of its proper divisors (8467431).

12757017 is a wasteful number, since it uses less digits than its factorization.

12757017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669.

The product of its (nonzero) digits is 3430, while the sum is 30.

The square root of 12757017 is about 3571.6966556526. The cubic root of 12757017 is about 233.6592857223.

The spelling of 12757017 in words is "twelve million, seven hundred fifty-seven thousand, seventeen".

Divisors: 1 3 7 13 21 39 83 91 249 273 563 581 1079 1689 1743 3237 3941 7319 7553 11823 21957 22659 46729 51233 140187 153699 327103 607477 981309 1822431 4252339 12757017