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12701951 is a prime number
BaseRepresentation
bin110000011101…
…000011111111
3212220022210122
4300131003333
511222430301
61132125155
7212651633
oct60350377
925808718
1012701951
117196189
1243067bb
132829662
141988dc3
1511ad81b
hexc1d0ff

12701951 has 2 divisors, whose sum is σ = 12701952. Its totient is φ = 12701950.

The previous prime is 12701947. The next prime is 12701963. The reversal of 12701951 is 15910721.

It is a weak prime.

It is an emirp because it is prime and its reverse (15910721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12701951 - 22 = 12701947 is a prime.

It is a super-2 number, since 2×127019512 = 322679118412802, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12701951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12701921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6350975 + 6350976.

It is an arithmetic number, because the mean of its divisors is an integer number (6350976).

Almost surely, 212701951 is an apocalyptic number.

12701951 is a deficient number, since it is larger than the sum of its proper divisors (1).

12701951 is an equidigital number, since it uses as much as digits as its factorization.

12701951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 12701951 is about 3563.9796576299. The cubic root of 12701951 is about 233.3226020008.

The spelling of 12701951 in words is "twelve million, seven hundred one thousand, nine hundred fifty-one".