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12714085 = 52542817
BaseRepresentation
bin110000100000…
…000001100101
3212220221110001
4300200001211
511223322320
61132301301
7213032206
oct60400145
925827401
1012714085
1171a430a
124311831
132832037
14198d5ad
1511b220a
hexc20065

12714085 has 4 divisors (see below), whose sum is σ = 15256908. Its totient is φ = 10171264.

The previous prime is 12714073. The next prime is 12714089. The reversal of 12714085 is 58041721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58041721 = 280320707.

It can be written as a sum of positive squares in 2 ways, for example, as 7935489 + 4778596 = 2817^2 + 2186^2 .

It is a cyclic number.

It is not a de Polignac number, because 12714085 - 29 = 12713573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12714089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271404 + ... + 1271413.

It is an arithmetic number, because the mean of its divisors is an integer number (3814227).

Almost surely, 212714085 is an apocalyptic number.

It is an amenable number.

12714085 is a deficient number, since it is larger than the sum of its proper divisors (2542823).

12714085 is an equidigital number, since it uses as much as digits as its factorization.

12714085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542822.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 12714085 is about 3565.6815617775. The cubic root of 12714085 is about 233.3968749849.

It can be divided in two parts, 1271 and 4085, that added together give a triangular number (5356 = T103).

The spelling of 12714085 in words is "twelve million, seven hundred fourteen thousand, eighty-five".

Divisors: 1 5 2542817 12714085