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12676709 = 88114389
BaseRepresentation
bin110000010110…
…111001100101
3212212001011202
4300112321211
511221123314
61131412245
7212515223
oct60267145
925761152
1012676709
117179221
1242b4085
13281b016
14197db13
1511a60de
hexc16e65

12676709 has 4 divisors (see below), whose sum is σ = 12691980. Its totient is φ = 12661440.

The previous prime is 12676693. The next prime is 12676711. The reversal of 12676709 is 90767621.

12676709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90767621 = 712966803.

It can be written as a sum of positive squares in 2 ways, for example, as 2879809 + 9796900 = 1697^2 + 3130^2 .

It is a cyclic number.

It is not a de Polignac number, because 12676709 - 24 = 12676693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12676789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6314 + ... + 8075.

It is an arithmetic number, because the mean of its divisors is an integer number (3172995).

Almost surely, 212676709 is an apocalyptic number.

It is an amenable number.

12676709 is a deficient number, since it is larger than the sum of its proper divisors (15271).

12676709 is an equidigital number, since it uses as much as digits as its factorization.

12676709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15270.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 12676709 is about 3560.4366305272. The cubic root of 12676709 is about 233.1679424328.

The spelling of 12676709 in words is "twelve million, six hundred seventy-six thousand, seven hundred nine".

Divisors: 1 881 14389 12676709