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12701907 = 331727673
BaseRepresentation
bin110000011101…
…000011010011
3212220022202000
4300131003103
511222430112
61132125043
7212651541
oct60350323
925808660
1012701907
117196149
124306783
13282962a
141988d91
1511ad7dc
hexc1d0d3

12701907 has 16 divisors (see below), whose sum is σ = 19925280. Its totient is φ = 7969536.

The previous prime is 12701903. The next prime is 12701917. The reversal of 12701907 is 70910721.

It is not a de Polignac number, because 12701907 - 22 = 12701903 is a prime.

It is a super-2 number, since 2×127019072 = 322676882873298, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12701903) 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 15 ways as a sum of consecutive naturals, for example, 13378 + ... + 14295.

It is an arithmetic number, because the mean of its divisors is an integer number (1245330).

Almost surely, 212701907 is an apocalyptic number.

12701907 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12701907 is a deficient number, since it is larger than the sum of its proper divisors (7223373).

12701907 is a wasteful number, since it uses less digits than its factorization.

12701907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27699 (or 27693 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 12701907 is about 3563.9734847499. The cubic root of 12701907 is about 233.3223325879.

The spelling of 12701907 in words is "twelve million, seven hundred one thousand, nine hundred seven".

Divisors: 1 3 9 17 27 51 153 459 27673 83019 249057 470441 747171 1411323 4233969 12701907