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12975677 = 1121373113
BaseRepresentation
bin110001011111…
…111000111101
3220102020021122
4301133320331
511310210202
61142040325
7215201651
oct61377075
926366248
1012975677
117362900
1244190a5
1328c4120
141a1aa61
1512149a2
hexc5fe3d

12975677 has 24 divisors (see below), whose sum is σ = 15707832. Its totient is φ = 10644480.

The previous prime is 12975667. The next prime is 12975679. The reversal of 12975677 is 77657921.

It can be written as a sum of positive squares in 4 ways, for example, as 116281 + 12859396 = 341^2 + 3586^2 .

It is not a de Polignac number, because 12975677 - 24 = 12975661 is a prime.

It is a Duffinian number.

Its product of digits (185220) is a multiple of the sum of its prime divisors (210).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12975679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114773 + ... + 114885.

It is an arithmetic number, because the mean of its divisors is an integer number (654493).

Almost surely, 212975677 is an apocalyptic number.

It is an amenable number.

12975677 is a deficient number, since it is larger than the sum of its proper divisors (2732155).

12975677 is a wasteful number, since it uses less digits than its factorization.

12975677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 210 counting only the distinct ones).

The product of its digits is 185220, while the sum is 44.

The square root of 12975677 is about 3602.1767030505. The cubic root of 12975677 is about 234.9867323127.

The spelling of 12975677 in words is "twelve million, nine hundred seventy-five thousand, six hundred seventy-seven".

Divisors: 1 11 13 73 113 121 143 803 949 1243 1469 1573 8249 8833 10439 13673 16159 90739 107237 114829 177749 998129 1179607 12975677