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12707395 = 52541479
BaseRepresentation
bin110000011110…
…011001000011
3212220121021021
4300132121003
511223114040
61132210311
7213003541
oct60363103
925817237
1012707395
11719a288
124309997
13282bc8c
14198ad91
1511b024a
hexc1e643

12707395 has 4 divisors (see below), whose sum is σ = 15248880. Its totient is φ = 10165912.

The previous prime is 12707363. The next prime is 12707399. The reversal of 12707395 is 59370721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59370721 = 269220709.

It is a cyclic number.

It is not a de Polignac number, because 12707395 - 25 = 12707363 is a prime.

It is a super-2 number, since 2×127073952 = 322955775372050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12707395.

It is not an unprimeable number, because it can be changed into a prime (12707399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270735 + ... + 1270744.

It is an arithmetic number, because the mean of its divisors is an integer number (3812220).

Almost surely, 212707395 is an apocalyptic number.

12707395 is a deficient number, since it is larger than the sum of its proper divisors (2541485).

12707395 is an equidigital number, since it uses as much as digits as its factorization.

12707395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541484.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 12707395 is about 3564.7433287686. The cubic root of 12707395 is about 233.3559309180.

The spelling of 12707395 in words is "twelve million, seven hundred seven thousand, three hundred ninety-five".

Divisors: 1 5 2541479 12707395