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13201015 = 512720789
BaseRepresentation
bin110010010110…
…111001110111
3220211200101111
4302112321313
511334413030
61150535451
7220130632
oct62267167
926750344
1013201015
1174a7133
124507587
132972869
141a78c19
15125b62a
hexc96e77

13201015 has 8 divisors (see below), whose sum is σ = 15966720. Its totient is φ = 10477152.

The previous prime is 13200997. The next prime is 13201033. The reversal of 13201015 is 51010231.

It is an interprime number because it is at equal distance from previous prime (13200997) and next prime (13201033).

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 13201015 - 25 = 13200983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13200986 and 13201004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9760 + ... + 11029.

It is an arithmetic number, because the mean of its divisors is an integer number (1995840).

Almost surely, 213201015 is an apocalyptic number.

13201015 is a deficient number, since it is larger than the sum of its proper divisors (2765705).

13201015 is a wasteful number, since it uses less digits than its factorization.

13201015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20921.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 13201015 is about 3633.3201070096. The cubic root of 13201015 is about 236.3392074672.

Adding to 13201015 its reverse (51010231), we get a palindrome (64211246).

The spelling of 13201015 in words is "thirteen million, two hundred one thousand, fifteen".

Divisors: 1 5 127 635 20789 103945 2640203 13201015