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13052963 = 721161397
BaseRepresentation
bin110001110010…
…110000100011
3220120011022002
4301302300203
511320143323
61143434215
7215643200
oct61626043
926504262
1013052963
117405980
12445596b
132920361
141a3aca7
15122c828
hexc72c23

13052963 has 24 divisors (see below), whose sum is σ = 16878384. Its totient is φ = 9979200.

The previous prime is 13052947. The next prime is 13052989. The reversal of 13052963 is 36925031.

It is not a de Polignac number, because 13052963 - 24 = 13052947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13052903) 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 23 ways as a sum of consecutive naturals, for example, 32681 + ... + 33077.

It is an arithmetic number, because the mean of its divisors is an integer number (703266).

Almost surely, 213052963 is an apocalyptic number.

13052963 is a deficient number, since it is larger than the sum of its proper divisors (3825421).

13052963 is a wasteful number, since it uses less digits than its factorization.

13052963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 13052963 is about 3612.8884566230. Note that the first 3 decimals coincide. The cubic root of 13052963 is about 235.4523533895.

Adding to 13052963 its reverse (36925031), we get a palindrome (49977994).

The spelling of 13052963 in words is "thirteen million, fifty-two thousand, nine hundred sixty-three".

Divisors: 1 7 11 49 61 77 397 427 539 671 2779 2989 4367 4697 19453 24217 30569 32879 169519 213983 266387 1186633 1864709 13052963