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12725713 = 7111312713
BaseRepresentation
bin110000100010…
…110111010001
3212221112101201
4300202313101
511224210323
61132431201
7213111130
oct60426721
925845351
1012725713
117202020
124318501
132837410
141993917
1511b58ad
hexc22dd1

12725713 has 16 divisors (see below), whose sum is σ = 17087616. Its totient is φ = 9152640.

The previous prime is 12725711. The next prime is 12725719. The reversal of 12725713 is 31752721.

It is not a de Polignac number, because 12725713 - 21 = 12725711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12725711) 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, 5356 + ... + 7357.

It is an arithmetic number, because the mean of its divisors is an integer number (1067976).

Almost surely, 212725713 is an apocalyptic number.

12725713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12725713 is a deficient number, since it is larger than the sum of its proper divisors (4361903).

12725713 is a wasteful number, since it uses less digits than its factorization.

12725713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12744.

The product of its digits is 2940, while the sum is 28.

The square root of 12725713 is about 3567.3117329440. The cubic root of 12725713 is about 233.4680063828.

The spelling of 12725713 in words is "twelve million, seven hundred twenty-five thousand, seven hundred thirteen".

Divisors: 1 7 11 13 77 91 143 1001 12713 88991 139843 165269 978901 1156883 1817959 12725713