Search a number
-
+
13061315 = 567127307
BaseRepresentation
bin110001110100…
…110011000011
3220120120202102
4301310303003
511320430230
61143541015
7216006431
oct61646303
926516672
1013061315
117411183
12445a76b
1329240b7
141a3dd51
151230045
hexc74cc3

13061315 has 16 divisors (see below), whose sum is σ = 16084992. Its totient is φ = 10178784.

The previous prime is 13061311. The next prime is 13061317. The reversal of 13061315 is 51316031.

It is a happy number.

13061315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13061315 - 22 = 13061311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13061311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42392 + ... + 42698.

It is an arithmetic number, because the mean of its divisors is an integer number (1005312).

Almost surely, 213061315 is an apocalyptic number.

13061315 is a deficient number, since it is larger than the sum of its proper divisors (3023677).

13061315 is a wasteful number, since it uses less digits than its factorization.

13061315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 13061315 is about 3614.0441336542. The cubic root of 13061315 is about 235.5025611158.

Adding to 13061315 its reverse (51316031), we get a palindrome (64377346).

The spelling of 13061315 in words is "thirteen million, sixty-one thousand, three hundred fifteen".

Divisors: 1 5 67 127 307 335 635 1535 8509 20569 38989 42545 102845 194945 2612263 13061315