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13135015 = 56739209
BaseRepresentation
bin110010000110…
…110010100111
3220201022212001
4302012302213
511330310030
61145310131
7216434335
oct62066247
926638761
1013135015
117461593
124495347
13294b7ca
141a5cb55
151246cca
hexc86ca7

13135015 has 8 divisors (see below), whose sum is σ = 15997680. Its totient is φ = 10350912.

The previous prime is 13134983. The next prime is 13135019. The reversal of 13135015 is 51053131.

13135015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13135015 - 25 = 13134983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13134983 and 13135001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13135019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19270 + ... + 19939.

It is an arithmetic number, because the mean of its divisors is an integer number (1999710).

Almost surely, 213135015 is an apocalyptic number.

13135015 is a deficient number, since it is larger than the sum of its proper divisors (2862665).

13135015 is an equidigital number, since it uses as much as digits as its factorization.

13135015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39281.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 13135015 is about 3624.2261242919. The cubic root of 13135015 is about 235.9446808481.

Adding to 13135015 its reverse (51053131), we get a palindrome (64188146).

It can be divided in two parts, 1313 and 5015, that added together give a triangular number (6328 = T112).

The spelling of 13135015 in words is "thirteen million, one hundred thirty-five thousand, fifteen".

Divisors: 1 5 67 335 39209 196045 2627003 13135015