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12570461 is a prime number
BaseRepresentation
bin101111111100…
…111101011101
3212122122102122
4233330331131
511204223321
61125232325
7211563401
oct57747535
925578378
1012570461
117106412
1242626a5
1327b1857
141953101
1511848ab
hexbfcf5d

12570461 has 2 divisors, whose sum is σ = 12570462. Its totient is φ = 12570460.

The previous prime is 12570451. The next prime is 12570499. The reversal of 12570461 is 16407521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12460900 + 109561 = 3530^2 + 331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12570461 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12570461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12570421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6285230 + 6285231.

It is an arithmetic number, because the mean of its divisors is an integer number (6285231).

Almost surely, 212570461 is an apocalyptic number.

It is an amenable number.

12570461 is a deficient number, since it is larger than the sum of its proper divisors (1).

12570461 is an equidigital number, since it uses as much as digits as its factorization.

12570461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 12570461 is about 3545.4845931128. The cubic root of 12570461 is about 232.5146928704.

Adding to 12570461 its reverse (16407521), we get a palindrome (28977982).

It can be divided in two parts, 12570 and 461, that added together give a palindrome (13031).

The spelling of 12570461 in words is "twelve million, five hundred seventy thousand, four hundred sixty-one".