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12761061 = 312773331
BaseRepresentation
bin110000101011…
…011111100101
3220000022212220
4300223133211
511231323221
61133302553
7213316155
oct60533745
926008786
1012761061
117226635
124334a59
13284a531
1419a2765
1511c10c6
hexc2b7e5

12761061 has 8 divisors (see below), whose sum is σ = 17033184. Its totient is φ = 8498160.

The previous prime is 12761059. The next prime is 12761071. The reversal of 12761061 is 16016721.

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

It is not a de Polignac number, because 12761061 - 21 = 12761059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12761011) 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, 2166 + ... + 5496.

It is an arithmetic number, because the mean of its divisors is an integer number (2129148).

Almost surely, 212761061 is an apocalyptic number.

It is an amenable number.

12761061 is a deficient number, since it is larger than the sum of its proper divisors (4272123).

12761061 is a wasteful number, since it uses less digits than its factorization.

12761061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4611.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 12761061 is about 3572.2627282998. The cubic root of 12761061 is about 233.6839732680.

Adding to 12761061 its reverse (16016721), we get a palindrome (28777782).

The spelling of 12761061 in words is "twelve million, seven hundred sixty-one thousand, sixty-one".

Divisors: 1 3 1277 3331 3831 9993 4253687 12761061