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12677257 = 172512971
BaseRepresentation
bin110000010111…
…000010001001
3212212001221001
4300113002021
511221133012
61131415001
7212516635
oct60270211
925761831
1012677257
11717967a
1242b4461
13281b348
14197ddc5
1511a6357
hexc17089

12677257 has 8 divisors (see below), whose sum is σ = 13480992. Its totient is φ = 11880000.

The previous prime is 12677219. The next prime is 12677261. The reversal of 12677257 is 75277621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12677257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12677207) 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, 2782 + ... + 5752.

It is an arithmetic number, because the mean of its divisors is an integer number (1685124).

Almost surely, 212677257 is an apocalyptic number.

12677257 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12677257 is a deficient number, since it is larger than the sum of its proper divisors (803735).

12677257 is a wasteful number, since it uses less digits than its factorization.

12677257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239.

The product of its digits is 41160, while the sum is 37.

The square root of 12677257 is about 3560.5135865490. The cubic root of 12677257 is about 233.1713022478.

The spelling of 12677257 in words is "twelve million, six hundred seventy-seven thousand, two hundred fifty-seven".

Divisors: 1 17 251 2971 4267 50507 745721 12677257