Search a number
-
+
12710013 = 313132341
BaseRepresentation
bin110000011111…
…000001111101
3212220201212020
4300133001331
511223210023
61132230353
7213014301
oct60370175
925821766
1012710013
1171a1248
12430b3b9
132830224
14198bd01
1511b0de3
hexc1f07d

12710013 has 8 divisors (see below), whose sum is σ = 17076576. Its totient is φ = 8408400.

The previous prime is 12710003. The next prime is 12710023. The reversal of 12710013 is 31001721.

It is an interprime number because it is at equal distance from previous prime (12710003) and next prime (12710023).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12710013 - 24 = 12709997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12709974 and 12710001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12710003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15778 + ... + 16563.

It is an arithmetic number, because the mean of its divisors is an integer number (2134572).

Almost surely, 212710013 is an apocalyptic number.

It is an amenable number.

12710013 is a deficient number, since it is larger than the sum of its proper divisors (4366563).

12710013 is a wasteful number, since it uses less digits than its factorization.

12710013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32475.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 12710013 is about 3565.1105172210. The cubic root of 12710013 is about 233.3719552848.

Adding to 12710013 its reverse (31001721), we get a palindrome (43711734).

The spelling of 12710013 in words is "twelve million, seven hundred ten thousand, thirteen".

Divisors: 1 3 131 393 32341 97023 4236671 12710013