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12707501 is a prime number
BaseRepresentation
bin110000011110…
…011010101101
3212220121102012
4300132122231
511223120001
61132211005
7213004052
oct60363255
925817365
1012707501
11719a374
124309a65
13282c041
14198b029
1511b02bb
hexc1e6ad

12707501 has 2 divisors, whose sum is σ = 12707502. Its totient is φ = 12707500.

The previous prime is 12707413. The next prime is 12707507. The reversal of 12707501 is 10570721.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9449476 + 3258025 = 3074^2 + 1805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12707501 is a prime.

It is a super-2 number, since 2×127075012 = 322961163330002, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12707507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6353750 + 6353751.

It is an arithmetic number, because the mean of its divisors is an integer number (6353751).

Almost surely, 212707501 is an apocalyptic number.

It is an amenable number.

12707501 is a deficient number, since it is larger than the sum of its proper divisors (1).

12707501 is an equidigital number, since it uses as much as digits as its factorization.

12707501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 12707501 is about 3564.7581965682. The cubic root of 12707501 is about 233.3565797701.

The spelling of 12707501 in words is "twelve million, seven hundred seven thousand, five hundred one".